Home / 475,147.38-655,704.12-260,282.72

Finding the Fourth Proportional to 475,147.38, 655,704.12 and 260,282.72

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Solution

The fourth proportional to 475,147.38, 655,704.12 and 260,282.72 is: 359,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,147.38 : 655,704.12 = 260,282.72 : x
  2. Step 2: Convert to fraction form
    475,147.38/655,704.12 = 260,282.72/x
  3. Step 3: Cross multiply
    475,147.38x = 655,704.12 × 260,282.72
  4. Step 4: Simplify right side
    475,147.38x = 170,668,451,868.81
  5. Step 5: Solve for x
    x = 170,668,451,868.81/475,147.38
  6. Step 6: Final answer
    x = 359,190.56

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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.