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Finding the Fourth Proportional to 275,255.70, 412,883.55 and 88,286.10

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Solution

The fourth proportional to 275,255.70, 412,883.55 and 88,286.10 is: 132,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,255.70 : 412,883.55 = 88,286.10 : x
  2. Step 2: Convert to fraction form
    275,255.70/412,883.55 = 88,286.10/x
  3. Step 3: Cross multiply
    275,255.70x = 412,883.55 × 88,286.10
  4. Step 4: Simplify right side
    275,255.70x = 36,451,878,383.66
  5. Step 5: Solve for x
    x = 36,451,878,383.66/275,255.70
  6. Step 6: Final answer
    x = 132,429.15

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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.