Finding the Fourth Proportional to 280,672.24, 387,201.60 and 173,246.80
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Solution
The fourth proportional to 280,672.24, 387,201.60 and 173,246.80 is: 239,002.75
Step by Step Solution
- Step 1: Write the proportion equation
280,672.24 : 387,201.60 = 173,246.80 : x - Step 2: Convert to fraction form
280,672.24/387,201.60 = 173,246.80/x - Step 3: Cross multiply
280,672.24x = 387,201.60 × 173,246.80 - Step 4: Simplify right side
280,672.24x = 67,081,438,154.88 - Step 5: Solve for x
x = 67,081,438,154.88/280,672.24 - Step 6: Final answer
x = 239,002.75
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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.