Finding the Fourth Proportional to 502,151.28, 753,252.84 and 128,177.52
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Solution
The fourth proportional to 502,151.28, 753,252.84 and 128,177.52 is: 192,272.90
Step by Step Solution
- Step 1: Write the proportion equation
502,151.28 : 753,252.84 = 128,177.52 : x - Step 2: Convert to fraction form
502,151.28/753,252.84 = 128,177.52/x - Step 3: Cross multiply
502,151.28x = 753,252.84 × 128,177.52 - Step 4: Simplify right side
502,151.28x = 96,550,080,964.16 - Step 5: Solve for x
x = 96,550,080,964.16/502,151.28 - Step 6: Final answer
x = 192,272.90
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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.