Finding the Fourth Proportional to 338,287.92, 507,508.74 and 113,631.12
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Solution
The fourth proportional to 338,287.92, 507,508.74 and 113,631.12 is: 170,472.50
Step by Step Solution
- Step 1: Write the proportion equation
338,287.92 : 507,508.74 = 113,631.12 : x - Step 2: Convert to fraction form
338,287.92/507,508.74 = 113,631.12/x - Step 3: Cross multiply
338,287.92x = 507,508.74 × 113,631.12 - Step 4: Simplify right side
338,287.92x = 57,668,786,535.99 - Step 5: Solve for x
x = 57,668,786,535.99/338,287.92 - Step 6: Final answer
x = 170,472.50
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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.