Home / 283,992.40-425,470.20-231,115.60

Finding the Fourth Proportional to 283,992.40, 425,470.20 and 231,115.60

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Solution

The fourth proportional to 283,992.40, 425,470.20 and 231,115.60 is: 346,251.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,992.40 : 425,470.20 = 231,115.60 : x
  2. Step 2: Convert to fraction form
    283,992.40/425,470.20 = 231,115.60/x
  3. Step 3: Cross multiply
    283,992.40x = 425,470.20 × 231,115.60
  4. Step 4: Simplify right side
    283,992.40x = 98,332,800,555.12
  5. Step 5: Solve for x
    x = 98,332,800,555.12/283,992.40
  6. Step 6: Final answer
    x = 346,251.52

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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.