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Finding the Fourth Proportional to 267,441.56, 401,222.88 and 89,943.69

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Solution

The fourth proportional to 267,441.56, 401,222.88 and 89,943.69 is: 134,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,441.56 : 401,222.88 = 89,943.69 : x
  2. Step 2: Convert to fraction form
    267,441.56/401,222.88 = 89,943.69/x
  3. Step 3: Cross multiply
    267,441.56x = 401,222.88 × 89,943.69
  4. Step 4: Simplify right side
    267,441.56x = 36,087,466,339.63
  5. Step 5: Solve for x
    x = 36,087,466,339.63/267,441.56
  6. Step 6: Final answer
    x = 134,935.90

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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.