Home / 267,665.31-401,337.56-85,217.27

Finding the Fourth Proportional to 267,665.31, 401,337.56 and 85,217.27

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Solution

The fourth proportional to 267,665.31, 401,337.56 and 85,217.27 is: 127,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,665.31 : 401,337.56 = 85,217.27 : x
  2. Step 2: Convert to fraction form
    267,665.31/401,337.56 = 85,217.27/x
  3. Step 3: Cross multiply
    267,665.31x = 401,337.56 × 85,217.27
  4. Step 4: Simplify right side
    267,665.31x = 34,200,889,418.02
  5. Step 5: Solve for x
    x = 34,200,889,418.02/267,665.31
  6. Step 6: Final answer
    x = 127,774.83

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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.