Finding the Fourth Proportional to 379,226.48, 522,613.04 and 271,609.68
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Solution
The fourth proportional to 379,226.48, 522,613.04 and 271,609.68 is: 374,306.03
Step by Step Solution
- Step 1: Write the proportion equation
379,226.48 : 522,613.04 = 271,609.68 : x - Step 2: Convert to fraction form
379,226.48/522,613.04 = 271,609.68/x - Step 3: Cross multiply
379,226.48x = 522,613.04 × 271,609.68 - Step 4: Simplify right side
379,226.48x = 141,946,760,454.03 - Step 5: Solve for x
x = 141,946,760,454.03/379,226.48 - Step 6: Final answer
x = 374,306.03
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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.