Home / 267,540.45-401,352.11-90,033.60

Finding the Fourth Proportional to 267,540.45, 401,352.11 and 90,033.60

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Solution

The fourth proportional to 267,540.45, 401,352.11 and 90,033.60 is: 135,064.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,540.45 : 401,352.11 = 90,033.60 : x
  2. Step 2: Convert to fraction form
    267,540.45/401,352.11 = 90,033.60/x
  3. Step 3: Cross multiply
    267,540.45x = 401,352.11 × 90,033.60
  4. Step 4: Simplify right side
    267,540.45x = 36,135,175,330.90
  5. Step 5: Solve for x
    x = 36,135,175,330.90/267,540.45
  6. Step 6: Final answer
    x = 135,064.34

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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.