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Finding the Fourth Proportional to 234,634.62, 323,710.92 and 154,105.77

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Solution

The fourth proportional to 234,634.62, 323,710.92 and 154,105.77 is: 212,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,634.62 : 323,710.92 = 154,105.77 : x
  2. Step 2: Convert to fraction form
    234,634.62/323,710.92 = 154,105.77/x
  3. Step 3: Cross multiply
    234,634.62x = 323,710.92 × 154,105.77
  4. Step 4: Simplify right side
    234,634.62x = 49,885,720,584.01
  5. Step 5: Solve for x
    x = 49,885,720,584.01/234,634.62
  6. Step 6: Final answer
    x = 212,610.23

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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.