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Finding the Fourth Proportional to 275,350.40, 413,025.60 and 88,380.80

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Solution

The fourth proportional to 275,350.40, 413,025.60 and 88,380.80 is: 132,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,350.40 : 413,025.60 = 88,380.80 : x
  2. Step 2: Convert to fraction form
    275,350.40/413,025.60 = 88,380.80/x
  3. Step 3: Cross multiply
    275,350.40x = 413,025.60 × 88,380.80
  4. Step 4: Simplify right side
    275,350.40x = 36,503,532,948.48
  5. Step 5: Solve for x
    x = 36,503,532,948.48/275,350.40
  6. Step 6: Final answer
    x = 132,571.20

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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.