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Finding the Fourth Proportional to 250,469.82, 345,474.92 and 154,919.79

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Solution

The fourth proportional to 250,469.82, 345,474.92 and 154,919.79 is: 213,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,469.82 : 345,474.92 = 154,919.79 : x
  2. Step 2: Convert to fraction form
    250,469.82/345,474.92 = 154,919.79/x
  3. Step 3: Cross multiply
    250,469.82x = 345,474.92 × 154,919.79
  4. Step 4: Simplify right side
    250,469.82x = 53,520,902,443.97
  5. Step 5: Solve for x
    x = 53,520,902,443.97/250,469.82
  6. Step 6: Final answer
    x = 213,682.04

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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.