Finding the Fourth Proportional to 271,279.02, 406,902.13 and 121,479.09
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Solution
The fourth proportional to 271,279.02, 406,902.13 and 121,479.09 is: 182,211.29
Step by Step Solution
- Step 1: Write the proportion equation
271,279.02 : 406,902.13 = 121,479.09 : x - Step 2: Convert to fraction form
271,279.02/406,902.13 = 121,479.09/x - Step 3: Cross multiply
271,279.02x = 406,902.13 × 121,479.09 - Step 4: Simplify right side
271,279.02x = 49,430,101,614.03 - Step 5: Solve for x
x = 49,430,101,614.03/271,279.02 - Step 6: Final answer
x = 182,211.29
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1.5x scale
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.