Finding the Fourth Proportional to 385,578.57, 532,101.11 and 224,527.53
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Solution
The fourth proportional to 385,578.57, 532,101.11 and 224,527.53 is: 309,849.55
Step by Step Solution
- Step 1: Write the proportion equation
385,578.57 : 532,101.11 = 224,527.53 : x - Step 2: Convert to fraction form
385,578.57/532,101.11 = 224,527.53/x - Step 3: Cross multiply
385,578.57x = 532,101.11 × 224,527.53 - Step 4: Simplify right side
385,578.57x = 119,471,346,815.92 - Step 5: Solve for x
x = 119,471,346,815.92/385,578.57 - Step 6: Final answer
x = 309,849.55
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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.