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Finding the Fourth Proportional to 329,892.80, 494,865.92 and 93,237.44

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Solution

The fourth proportional to 329,892.80, 494,865.92 and 93,237.44 is: 139,863.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,892.80 : 494,865.92 = 93,237.44 : x
  2. Step 2: Convert to fraction form
    329,892.80/494,865.92 = 93,237.44/x
  3. Step 3: Cross multiply
    329,892.80x = 494,865.92 × 93,237.44
  4. Step 4: Simplify right side
    329,892.80x = 46,140,031,524.04
  5. Step 5: Solve for x
    x = 46,140,031,524.04/329,892.80
  6. Step 6: Final answer
    x = 139,863.71

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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.