Finding the Fourth Proportional to 318,517.92, 439,545.42 and 175,277.88
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Solution
The fourth proportional to 318,517.92, 439,545.42 and 175,277.88 is: 241,878.35
Step by Step Solution
- Step 1: Write the proportion equation
318,517.92 : 439,545.42 = 175,277.88 : x - Step 2: Convert to fraction form
318,517.92/439,545.42 = 175,277.88/x - Step 3: Cross multiply
318,517.92x = 439,545.42 × 175,277.88 - Step 4: Simplify right side
318,517.92x = 77,042,589,381.31 - Step 5: Solve for x
x = 77,042,589,381.31/318,517.92 - Step 6: Final answer
x = 241,878.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.