Finding the Fourth Proportional to 423,515.99, 635,180.57 and 124,019.92
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Solution
The fourth proportional to 423,515.99, 635,180.57 and 124,019.92 is: 186,002.53
Step by Step Solution
- Step 1: Write the proportion equation
423,515.99 : 635,180.57 = 124,019.92 : x - Step 2: Convert to fraction form
423,515.99/635,180.57 = 124,019.92/x - Step 3: Cross multiply
423,515.99x = 635,180.57 × 124,019.92 - Step 4: Simplify right side
423,515.99x = 78,775,044,115.91 - Step 5: Solve for x
x = 78,775,044,115.91/423,515.99 - Step 6: Final answer
x = 186,002.53
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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.