Finding the Fourth Proportional to 577,119.12, 865,678.47 and 156,394.99
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Solution
The fourth proportional to 577,119.12, 865,678.47 and 156,394.99 is: 234,592.43
Step by Step Solution
- Step 1: Write the proportion equation
577,119.12 : 865,678.47 = 156,394.99 : x - Step 2: Convert to fraction form
577,119.12/865,678.47 = 156,394.99/x - Step 3: Cross multiply
577,119.12x = 865,678.47 × 156,394.99 - Step 4: Simplify right side
577,119.12x = 135,387,775,658.87 - Step 5: Solve for x
x = 135,387,775,658.87/577,119.12 - Step 6: Final answer
x = 234,592.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.