Home / 437,067.20-655,622.40-227,115.20

Finding the Fourth Proportional to 437,067.20, 655,622.40 and 227,115.20

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Solution

The fourth proportional to 437,067.20, 655,622.40 and 227,115.20 is: 340,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,067.20 : 655,622.40 = 227,115.20 : x
  2. Step 2: Convert to fraction form
    437,067.20/655,622.40 = 227,115.20/x
  3. Step 3: Cross multiply
    437,067.20x = 655,622.40 × 227,115.20
  4. Step 4: Simplify right side
    437,067.20x = 148,901,812,500.48
  5. Step 5: Solve for x
    x = 148,901,812,500.48/437,067.20
  6. Step 6: Final answer
    x = 340,684.02

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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.