Finding the Fourth Proportional to 406,861.26, 609,094.70 and 271,589.81
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Solution
The fourth proportional to 406,861.26, 609,094.70 and 271,589.81 is: 406,585.55
Step by Step Solution
- Step 1: Write the proportion equation
406,861.26 : 609,094.70 = 271,589.81 : x - Step 2: Convert to fraction form
406,861.26/609,094.70 = 271,589.81/x - Step 3: Cross multiply
406,861.26x = 609,094.70 × 271,589.81 - Step 4: Simplify right side
406,861.26x = 165,423,909,441.58 - Step 5: Solve for x
x = 165,423,909,441.58/406,861.26 - Step 6: Final answer
x = 406,585.55
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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.