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Finding the Fourth Proportional to 234,614.34, 324,034.92 and 159,031.62

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Solution

The fourth proportional to 234,614.34, 324,034.92 and 159,031.62 is: 219,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,614.34 : 324,034.92 = 159,031.62 : x
  2. Step 2: Convert to fraction form
    234,614.34/324,034.92 = 159,031.62/x
  3. Step 3: Cross multiply
    234,614.34x = 324,034.92 × 159,031.62
  4. Step 4: Simplify right side
    234,614.34x = 51,531,798,264.17
  5. Step 5: Solve for x
    x = 51,531,798,264.17/234,614.34
  6. Step 6: Final answer
    x = 219,644.71

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1.5x scale

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.