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Finding the Fourth Proportional to 234,744.69, 352,120.68 and 57,255.06

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Solution

The fourth proportional to 234,744.69, 352,120.68 and 57,255.06 is: 85,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,744.69 : 352,120.68 = 57,255.06 : x
  2. Step 2: Convert to fraction form
    234,744.69/352,120.68 = 57,255.06/x
  3. Step 3: Cross multiply
    234,744.69x = 352,120.68 × 57,255.06
  4. Step 4: Simplify right side
    234,744.69x = 20,160,690,660.64
  5. Step 5: Solve for x
    x = 20,160,690,660.64/234,744.69
  6. Step 6: Final answer
    x = 85,883.48

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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.