Finding the Fourth Proportional to 271,757.76, 406,880.80 and 138,350.88
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Solution
The fourth proportional to 271,757.76, 406,880.80 and 138,350.88 is: 207,141.52
Step by Step Solution
- Step 1: Write the proportion equation
271,757.76 : 406,880.80 = 138,350.88 : x - Step 2: Convert to fraction form
271,757.76/406,880.80 = 138,350.88/x - Step 3: Cross multiply
271,757.76x = 406,880.80 × 138,350.88 - Step 4: Simplify right side
271,757.76x = 56,292,316,735.10 - Step 5: Solve for x
x = 56,292,316,735.10/271,757.76 - Step 6: Final answer
x = 207,141.52
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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.