Home / 267,804.38-401,426.24-90,250.04

Finding the Fourth Proportional to 267,804.38, 401,426.24 and 90,250.04

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Solution

The fourth proportional to 267,804.38, 401,426.24 and 90,250.04 is: 135,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,804.38 : 401,426.24 = 90,250.04 : x
  2. Step 2: Convert to fraction form
    267,804.38/401,426.24 = 90,250.04/x
  3. Step 3: Cross multiply
    267,804.38x = 401,426.24 × 90,250.04
  4. Step 4: Simplify right side
    267,804.38x = 36,228,734,217.05
  5. Step 5: Solve for x
    x = 36,228,734,217.05/267,804.38
  6. Step 6: Final answer
    x = 135,280.59

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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.