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Finding the Fourth Proportional to 299,432.90, 449,322.15 and 112,463.30

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Solution

The fourth proportional to 299,432.90, 449,322.15 and 112,463.30 is: 168,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,432.90 : 449,322.15 = 112,463.30 : x
  2. Step 2: Convert to fraction form
    299,432.90/449,322.15 = 112,463.30/x
  3. Step 3: Cross multiply
    299,432.90x = 449,322.15 × 112,463.30
  4. Step 4: Simplify right side
    299,432.90x = 50,532,251,752.10
  5. Step 5: Solve for x
    x = 50,532,251,752.10/299,432.90
  6. Step 6: Final answer
    x = 168,759.85

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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.