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Finding the Fourth Proportional to 332,479.82, 498,792.65 and 107,862.97

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Solution

The fourth proportional to 332,479.82, 498,792.65 and 107,862.97 is: 161,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,479.82 : 498,792.65 = 107,862.97 : x
  2. Step 2: Convert to fraction form
    332,479.82/498,792.65 = 107,862.97/x
  3. Step 3: Cross multiply
    332,479.82x = 498,792.65 × 107,862.97
  4. Step 4: Simplify right side
    332,479.82x = 53,801,254,856.87
  5. Step 5: Solve for x
    x = 53,801,254,856.87/332,479.82
  6. Step 6: Final answer
    x = 161,818.11

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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.