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Finding the Fourth Proportional to 240,906.80, 332,731.32 and 226,910

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Solution

The fourth proportional to 240,906.80, 332,731.32 and 226,910 is: 313,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,906.80 : 332,731.32 = 226,910 : x
  2. Step 2: Convert to fraction form
    240,906.80/332,731.32 = 226,910/x
  3. Step 3: Cross multiply
    240,906.80x = 332,731.32 × 226,910
  4. Step 4: Simplify right side
    240,906.80x = 75,500,063,821.20
  5. Step 5: Solve for x
    x = 75,500,063,821.20/240,906.80
  6. Step 6: Final answer
    x = 313,399.47

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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.