Finding the Fourth Proportional to 424,891.85, 637,355.36 and 125,372.42
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Solution
The fourth proportional to 424,891.85, 637,355.36 and 125,372.42 is: 188,063.82
Step by Step Solution
- Step 1: Write the proportion equation
424,891.85 : 637,355.36 = 125,372.42 : x - Step 2: Convert to fraction form
424,891.85/637,355.36 = 125,372.42/x - Step 3: Cross multiply
424,891.85x = 637,355.36 × 125,372.42 - Step 4: Simplify right side
424,891.85x = 79,906,784,849.70 - Step 5: Solve for x
x = 79,906,784,849.70/424,891.85 - Step 6: Final answer
x = 188,063.82
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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.