Finding the Fourth Proportional to 194,472.20, 291,708.30 and 115,545.80
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Solution
The fourth proportional to 194,472.20, 291,708.30 and 115,545.80 is: 173,318.70
Step by Step Solution
- Step 1: Write the proportion equation
194,472.20 : 291,708.30 = 115,545.80 : x - Step 2: Convert to fraction form
194,472.20/291,708.30 = 115,545.80/x - Step 3: Cross multiply
194,472.20x = 291,708.30 × 115,545.80 - Step 4: Simplify right side
194,472.20x = 33,705,668,890.14 - Step 5: Solve for x
x = 33,705,668,890.14/194,472.20 - Step 6: Final answer
x = 173,318.70
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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.