Finding the Fourth Proportional to 236,736.92, 326,694.79 and 129,306.92
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Solution
The fourth proportional to 236,736.92, 326,694.79 and 129,306.92 is: 178,442.37
Step by Step Solution
- Step 1: Write the proportion equation
236,736.92 : 326,694.79 = 129,306.92 : x - Step 2: Convert to fraction form
236,736.92/326,694.79 = 129,306.92/x - Step 3: Cross multiply
236,736.92x = 326,694.79 × 129,306.92 - Step 4: Simplify right side
236,736.92x = 42,243,897,568.42 - Step 5: Solve for x
x = 42,243,897,568.42/236,736.92 - Step 6: Final answer
x = 178,442.37
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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.