Finding the Fourth Proportional to 402,375.60, 555,448.56 and 271,581.68
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Solution
The fourth proportional to 402,375.60, 555,448.56 and 271,581.68 is: 374,897.62
Step by Step Solution
- Step 1: Write the proportion equation
402,375.60 : 555,448.56 = 271,581.68 : x - Step 2: Convert to fraction form
402,375.60/555,448.56 = 271,581.68/x - Step 3: Cross multiply
402,375.60x = 555,448.56 × 271,581.68 - Step 4: Simplify right side
402,375.60x = 150,849,653,078.38 - Step 5: Solve for x
x = 150,849,653,078.38/402,375.60 - Step 6: Final answer
x = 374,897.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.