Finding the Fourth Proportional to 418,929.14, 578,132.56 and 227,953.02
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Solution
The fourth proportional to 418,929.14, 578,132.56 and 227,953.02 is: 314,580.80
Step by Step Solution
- Step 1: Write the proportion equation
418,929.14 : 578,132.56 = 227,953.02 : x - Step 2: Convert to fraction form
418,929.14/578,132.56 = 227,953.02/x - Step 3: Cross multiply
418,929.14x = 578,132.56 × 227,953.02 - Step 4: Simplify right side
418,929.14x = 131,787,063,012.33 - Step 5: Solve for x
x = 131,787,063,012.33/418,929.14 - Step 6: Final answer
x = 314,580.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.