In math a proportion is a way of showing that two fractions are equal to each other; for example, 1/2 = 2/4. Common problems using proportions involve situations where three of the four numbers in the proportion are known, and one must calculate the missing value.
Continue ReadingA common example of proportions involves calculating percentages. A football analyst who wants to know how many games a team must win in a season to have an 75 percent win rate uses the following proportion: x/16 = 75/100. To find the answer, multiply across the proportion to remove the fractions and reach a simple algebraic equation: 100x = 1200, or x = 12. This shows that a team must win 12 of 16 games to reach a 75 percent win rate.
Learn more about Fractions & Percentages