Home / 259,149.57-388,777.20-146,879.92

Finding the Fourth Proportional to 259,149.57, 388,777.20 and 146,879.92

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Solution

The fourth proportional to 259,149.57, 388,777.20 and 146,879.92 is: 220,349.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,149.57 : 388,777.20 = 146,879.92 : x
  2. Step 2: Convert to fraction form
    259,149.57/388,777.20 = 146,879.92/x
  3. Step 3: Cross multiply
    259,149.57x = 388,777.20 × 146,879.92
  4. Step 4: Simplify right side
    259,149.57x = 57,103,564,033.82
  5. Step 5: Solve for x
    x = 57,103,564,033.82/259,149.57
  6. Step 6: Final answer
    x = 220,349.83

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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.