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Finding the Fourth Proportional to 234,108.48, 323,062.32 and 138,615.96

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Solution

The fourth proportional to 234,108.48, 323,062.32 and 138,615.96 is: 191,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,108.48 : 323,062.32 = 138,615.96 : x
  2. Step 2: Convert to fraction form
    234,108.48/323,062.32 = 138,615.96/x
  3. Step 3: Cross multiply
    234,108.48x = 323,062.32 × 138,615.96
  4. Step 4: Simplify right side
    234,108.48x = 44,781,593,626.63
  5. Step 5: Solve for x
    x = 44,781,593,626.63/234,108.48
  6. Step 6: Final answer
    x = 191,285.65

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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.