Finding the Fourth Proportional to 379,226.99, 522,613.73 and 271,610.18
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Solution
The fourth proportional to 379,226.99, 522,613.73 and 271,610.18 is: 374,306.72
Step by Step Solution
- Step 1: Write the proportion equation
379,226.99 : 522,613.73 = 271,610.18 : x - Step 2: Convert to fraction form
379,226.99/522,613.73 = 271,610.18/x - Step 3: Cross multiply
379,226.99x = 522,613.73 × 271,610.18 - Step 4: Simplify right side
379,226.99x = 141,947,207,917.72 - Step 5: Solve for x
x = 141,947,207,917.72/379,226.99 - Step 6: Final answer
x = 374,306.72
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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.