Finding the Fourth Proportional to 484,669.98, 726,949.35 and 129,711.69
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Solution
The fourth proportional to 484,669.98, 726,949.35 and 129,711.69 is: 194,552.65
Step by Step Solution
- Step 1: Write the proportion equation
484,669.98 : 726,949.35 = 129,711.69 : x - Step 2: Convert to fraction form
484,669.98/726,949.35 = 129,711.69/x - Step 3: Cross multiply
484,669.98x = 726,949.35 × 129,711.69 - Step 4: Simplify right side
484,669.98x = 94,293,828,732.90 - Step 5: Solve for x
x = 94,293,828,732.90/484,669.98 - Step 6: Final answer
x = 194,552.65
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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.