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Finding the Fourth Proportional to 254,164.88, 381,250.20 and 87,914

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Solution

The fourth proportional to 254,164.88, 381,250.20 and 87,914 is: 131,872.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,164.88 : 381,250.20 = 87,914 : x
  2. Step 2: Convert to fraction form
    254,164.88/381,250.20 = 87,914/x
  3. Step 3: Cross multiply
    254,164.88x = 381,250.20 × 87,914
  4. Step 4: Simplify right side
    254,164.88x = 33,517,230,082.80
  5. Step 5: Solve for x
    x = 33,517,230,082.80/254,164.88
  6. Step 6: Final answer
    x = 131,872.00

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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.