Finding the Fourth Proportional to 386,585.68, 579,961.80 and 116,691.21
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Solution
The fourth proportional to 386,585.68, 579,961.80 and 116,691.21 is: 175,061.95
Step by Step Solution
- Step 1: Write the proportion equation
386,585.68 : 579,961.80 = 116,691.21 : x - Step 2: Convert to fraction form
386,585.68/579,961.80 = 116,691.21/x - Step 3: Cross multiply
386,585.68x = 579,961.80 × 116,691.21 - Step 4: Simplify right side
386,585.68x = 67,676,444,195.78 - Step 5: Solve for x
x = 67,676,444,195.78/386,585.68 - Step 6: Final answer
x = 175,061.95
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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.