Finding the Fourth Proportional to 406,302.98, 609,614.85 and 125,842.10
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Solution
The fourth proportional to 406,302.98, 609,614.85 and 125,842.10 is: 188,812.82
Step by Step Solution
- Step 1: Write the proportion equation
406,302.98 : 609,614.85 = 125,842.10 : x - Step 2: Convert to fraction form
406,302.98/609,614.85 = 125,842.10/x - Step 3: Cross multiply
406,302.98x = 609,614.85 × 125,842.10 - Step 4: Simplify right side
406,302.98x = 76,715,212,915.19 - Step 5: Solve for x
x = 76,715,212,915.19/406,302.98 - Step 6: Final answer
x = 188,812.82
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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.