Home / 267,701.02-401,588.57-90,258.78

Finding the Fourth Proportional to 267,701.02, 401,588.57 and 90,258.78

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Solution

The fourth proportional to 267,701.02, 401,588.57 and 90,258.78 is: 135,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,701.02 : 401,588.57 = 90,258.78 : x
  2. Step 2: Convert to fraction form
    267,701.02/401,588.57 = 90,258.78/x
  3. Step 3: Cross multiply
    267,701.02x = 401,588.57 × 90,258.78
  4. Step 4: Simplify right side
    267,701.02x = 36,246,894,390.14
  5. Step 5: Solve for x
    x = 36,246,894,390.14/267,701.02
  6. Step 6: Final answer
    x = 135,400.66

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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.