Finding the Fourth Proportional to 462,363.41, 693,545.12 and 129,939.41
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Solution
The fourth proportional to 462,363.41, 693,545.12 and 129,939.41 is: 194,909.11
Step by Step Solution
- Step 1: Write the proportion equation
462,363.41 : 693,545.12 = 129,939.41 : x - Step 2: Convert to fraction form
462,363.41/693,545.12 = 129,939.41/x - Step 3: Cross multiply
462,363.41x = 693,545.12 × 129,939.41 - Step 4: Simplify right side
462,363.41x = 90,118,839,583.76 - Step 5: Solve for x
x = 90,118,839,583.76/462,363.41 - Step 6: Final answer
x = 194,909.11
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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.