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Finding the Fourth Proportional to 234,937.88, 352,403.36 and 57,446.42

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Solution

The fourth proportional to 234,937.88, 352,403.36 and 57,446.42 is: 86,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,937.88 : 352,403.36 = 57,446.42 : x
  2. Step 2: Convert to fraction form
    234,937.88/352,403.36 = 57,446.42/x
  3. Step 3: Cross multiply
    234,937.88x = 352,403.36 × 57,446.42
  4. Step 4: Simplify right side
    234,937.88x = 20,244,312,757.46
  5. Step 5: Solve for x
    x = 20,244,312,757.46/234,937.88
  6. Step 6: Final answer
    x = 86,168.79

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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.