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Finding the Fourth Proportional to 267,875.60, 401,813.40 and 80,862.80

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Solution

The fourth proportional to 267,875.60, 401,813.40 and 80,862.80 is: 121,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,875.60 : 401,813.40 = 80,862.80 : x
  2. Step 2: Convert to fraction form
    267,875.60/401,813.40 = 80,862.80/x
  3. Step 3: Cross multiply
    267,875.60x = 401,813.40 × 80,862.80
  4. Step 4: Simplify right side
    267,875.60x = 32,491,756,601.52
  5. Step 5: Solve for x
    x = 32,491,756,601.52/267,875.60
  6. Step 6: Final answer
    x = 121,294.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.