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Finding the Fourth Proportional to 231,733, 319,791.54 and 125,749

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Solution

The fourth proportional to 231,733, 319,791.54 and 125,749 is: 173,533.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,733 : 319,791.54 = 125,749 : x
  2. Step 2: Convert to fraction form
    231,733/319,791.54 = 125,749/x
  3. Step 3: Cross multiply
    231,733x = 319,791.54 × 125,749
  4. Step 4: Simplify right side
    231,733x = 40,213,466,363.46
  5. Step 5: Solve for x
    x = 40,213,466,363.46/231,733
  6. Step 6: Final answer
    x = 173,533.62

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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.