Finding the Fourth Proportional to 542,082.87, 748,073.62 and 300,381.09
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Solution
The fourth proportional to 542,082.87, 748,073.62 and 300,381.09 is: 414,525.49
Step by Step Solution
- Step 1: Write the proportion equation
542,082.87 : 748,073.62 = 300,381.09 : x - Step 2: Convert to fraction form
542,082.87/748,073.62 = 300,381.09/x - Step 3: Cross multiply
542,082.87x = 748,073.62 × 300,381.09 - Step 4: Simplify right side
542,082.87x = 224,707,169,375.85 - Step 5: Solve for x
x = 224,707,169,375.85/542,082.87 - Step 6: Final answer
x = 414,525.49
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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.