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Finding the Fourth Proportional to 267,836.88, 401,885.88 and 110,112.72

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Solution

The fourth proportional to 267,836.88, 401,885.88 and 110,112.72 is: 165,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,836.88 : 401,885.88 = 110,112.72 : x
  2. Step 2: Convert to fraction form
    267,836.88/401,885.88 = 110,112.72/x
  3. Step 3: Cross multiply
    267,836.88x = 401,885.88 × 110,112.72
  4. Step 4: Simplify right side
    267,836.88x = 44,252,747,376.39
  5. Step 5: Solve for x
    x = 44,252,747,376.39/267,836.88
  6. Step 6: Final answer
    x = 165,222.76

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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.