Finding the Fourth Proportional to 424,780.24, 637,184.16 and 125,235.70
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Solution
The fourth proportional to 424,780.24, 637,184.16 and 125,235.70 is: 187,857.62
Step by Step Solution
- Step 1: Write the proportion equation
424,780.24 : 637,184.16 = 125,235.70 : x - Step 2: Convert to fraction form
424,780.24/637,184.16 = 125,235.70/x - Step 3: Cross multiply
424,780.24x = 637,184.16 × 125,235.70 - Step 4: Simplify right side
424,780.24x = 79,798,204,306.51 - Step 5: Solve for x
x = 79,798,204,306.51/424,780.24 - Step 6: Final answer
x = 187,857.62
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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.