Home / 386,785.24-580,180.76-146,834.48

Finding the Fourth Proportional to 386,785.24, 580,180.76 and 146,834.48

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Solution

The fourth proportional to 386,785.24, 580,180.76 and 146,834.48 is: 220,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,785.24 : 580,180.76 = 146,834.48 : x
  2. Step 2: Convert to fraction form
    386,785.24/580,180.76 = 146,834.48/x
  3. Step 3: Cross multiply
    386,785.24x = 580,180.76 × 146,834.48
  4. Step 4: Simplify right side
    386,785.24x = 85,190,540,200.60
  5. Step 5: Solve for x
    x = 85,190,540,200.60/386,785.24
  6. Step 6: Final answer
    x = 220,252.82

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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.