Home / 267,895.41-401,862.55-80,921.49

Finding the Fourth Proportional to 267,895.41, 401,862.55 and 80,921.49

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Solution

The fourth proportional to 267,895.41, 401,862.55 and 80,921.49 is: 121,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,895.41 : 401,862.55 = 80,921.49 : x
  2. Step 2: Convert to fraction form
    267,895.41/401,862.55 = 80,921.49/x
  3. Step 3: Cross multiply
    267,895.41x = 401,862.55 × 80,921.49
  4. Step 4: Simplify right side
    267,895.41x = 32,519,316,321.20
  5. Step 5: Solve for x
    x = 32,519,316,321.20/267,895.41
  6. Step 6: Final answer
    x = 121,388.11

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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.