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Finding the Fourth Proportional to 234,843.46, 352,279.40 and 66,376.38

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Solution

The fourth proportional to 234,843.46, 352,279.40 and 66,376.38 is: 99,568.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,843.46 : 352,279.40 = 66,376.38 : x
  2. Step 2: Convert to fraction form
    234,843.46/352,279.40 = 66,376.38/x
  3. Step 3: Cross multiply
    234,843.46x = 352,279.40 × 66,376.38
  4. Step 4: Simplify right side
    234,843.46x = 23,383,031,320.57
  5. Step 5: Solve for x
    x = 23,383,031,320.57/234,843.46
  6. Step 6: Final answer
    x = 99,568.59

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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.