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Finding the Fourth Proportional to 332,493.43, 458,843.86 and 189,262.69

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Solution

The fourth proportional to 332,493.43, 458,843.86 and 189,262.69 is: 261,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,493.43 : 458,843.86 = 189,262.69 : x
  2. Step 2: Convert to fraction form
    332,493.43/458,843.86 = 189,262.69/x
  3. Step 3: Cross multiply
    332,493.43x = 458,843.86 × 189,262.69
  4. Step 4: Simplify right side
    332,493.43x = 86,842,023,233.58
  5. Step 5: Solve for x
    x = 86,842,023,233.58/332,493.43
  6. Step 6: Final answer
    x = 261,184.18

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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.