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Finding the Fourth Proportional to 299,817.32, 449,850.53 and 131,250.88

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Solution

The fourth proportional to 299,817.32, 449,850.53 and 131,250.88 is: 196,930.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,817.32 : 449,850.53 = 131,250.88 : x
  2. Step 2: Convert to fraction form
    299,817.32/449,850.53 = 131,250.88/x
  3. Step 3: Cross multiply
    299,817.32x = 449,850.53 × 131,250.88
  4. Step 4: Simplify right side
    299,817.32x = 59,043,277,930.97
  5. Step 5: Solve for x
    x = 59,043,277,930.97/299,817.32
  6. Step 6: Final answer
    x = 196,930.84

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1.5x scale

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.