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Finding the Fourth Proportional to 234,640.44, 323,822.46 and 132,687.36

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Solution

The fourth proportional to 234,640.44, 323,822.46 and 132,687.36 is: 183,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,640.44 : 323,822.46 = 132,687.36 : x
  2. Step 2: Convert to fraction form
    234,640.44/323,822.46 = 132,687.36/x
  3. Step 3: Cross multiply
    234,640.44x = 323,822.46 × 132,687.36
  4. Step 4: Simplify right side
    234,640.44x = 42,967,147,326.11
  5. Step 5: Solve for x
    x = 42,967,147,326.11/234,640.44
  6. Step 6: Final answer
    x = 183,119.10

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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.