Finding the Fourth Proportional to 453,470.92, 625,790.46 and 252,266.92
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Solution
The fourth proportional to 453,470.92, 625,790.46 and 252,266.92 is: 348,128.68
Step by Step Solution
- Step 1: Write the proportion equation
453,470.92 : 625,790.46 = 252,266.92 : x - Step 2: Convert to fraction form
453,470.92/625,790.46 = 252,266.92/x - Step 3: Cross multiply
453,470.92x = 625,790.46 × 252,266.92 - Step 4: Simplify right side
453,470.92x = 157,866,231,909.58 - Step 5: Solve for x
x = 157,866,231,909.58/453,470.92 - Step 6: Final answer
x = 348,128.68
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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.