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Finding the Fourth Proportional to 267,660.30, 401,101.65 and 228,002.70

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Solution

The fourth proportional to 267,660.30, 401,101.65 and 228,002.70 is: 341,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,660.30 : 401,101.65 = 228,002.70 : x
  2. Step 2: Convert to fraction form
    267,660.30/401,101.65 = 228,002.70/x
  3. Step 3: Cross multiply
    267,660.30x = 401,101.65 × 228,002.70
  4. Step 4: Simplify right side
    267,660.30x = 91,452,259,174.46
  5. Step 5: Solve for x
    x = 91,452,259,174.46/267,660.30
  6. Step 6: Final answer
    x = 341,672.86

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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.