Finding the Fourth Proportional to 381,700.70, 572,551.05 and 97,390.70
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Solution
The fourth proportional to 381,700.70, 572,551.05 and 97,390.70 is: 146,086.05
Step by Step Solution
- Step 1: Write the proportion equation
381,700.70 : 572,551.05 = 97,390.70 : x - Step 2: Convert to fraction form
381,700.70/572,551.05 = 97,390.70/x - Step 3: Cross multiply
381,700.70x = 572,551.05 × 97,390.70 - Step 4: Simplify right side
381,700.70x = 55,761,147,545.24 - Step 5: Solve for x
x = 55,761,147,545.24/381,700.70 - Step 6: Final answer
x = 146,086.05
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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.