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Finding the Fourth Proportional to 253,195.88, 379,797.46 and 66,207.38

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Solution

The fourth proportional to 253,195.88, 379,797.46 and 66,207.38 is: 99,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,195.88 : 379,797.46 = 66,207.38 : x
  2. Step 2: Convert to fraction form
    253,195.88/379,797.46 = 66,207.38/x
  3. Step 3: Cross multiply
    253,195.88x = 379,797.46 × 66,207.38
  4. Step 4: Simplify right side
    253,195.88x = 25,145,392,692.75
  5. Step 5: Solve for x
    x = 25,145,392,692.75/253,195.88
  6. Step 6: Final answer
    x = 99,312.02

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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.