Finding the Fourth Proportional to 516,668.08, 775,016.79 and 142,691.08
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Solution
The fourth proportional to 516,668.08, 775,016.79 and 142,691.08 is: 214,040.67
Step by Step Solution
- Step 1: Write the proportion equation
516,668.08 : 775,016.79 = 142,691.08 : x - Step 2: Convert to fraction form
516,668.08/775,016.79 = 142,691.08/x - Step 3: Cross multiply
516,668.08x = 775,016.79 × 142,691.08 - Step 4: Simplify right side
516,668.08x = 110,587,982,783.23 - Step 5: Solve for x
x = 110,587,982,783.23/516,668.08 - Step 6: Final answer
x = 214,040.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.