Finding the Fourth Proportional to 392,478.26, 588,805.18 and 143,160.26
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Solution
The fourth proportional to 392,478.26, 588,805.18 and 143,160.26 is: 214,772.41
Step by Step Solution
- Step 1: Write the proportion equation
392,478.26 : 588,805.18 = 143,160.26 : x - Step 2: Convert to fraction form
392,478.26/588,805.18 = 143,160.26/x - Step 3: Cross multiply
392,478.26x = 588,805.18 × 143,160.26 - Step 4: Simplify right side
392,478.26x = 84,293,502,658.15 - Step 5: Solve for x
x = 84,293,502,658.15/392,478.26 - Step 6: Final answer
x = 214,772.41
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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.