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Finding the Fourth Proportional to 381,044.65, 570,445.83 and 254,370.73

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Solution

The fourth proportional to 381,044.65, 570,445.83 and 254,370.73 is: 380,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,044.65 : 570,445.83 = 254,370.73 : x
  2. Step 2: Convert to fraction form
    381,044.65/570,445.83 = 254,370.73/x
  3. Step 3: Cross multiply
    381,044.65x = 570,445.83 × 254,370.73
  4. Step 4: Simplify right side
    381,044.65x = 145,104,722,202.56
  5. Step 5: Solve for x
    x = 145,104,722,202.56/381,044.65
  6. Step 6: Final answer
    x = 380,807.66

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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.