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Finding the Fourth Proportional to 267,122.06, 400,747.89 and 80,133.56

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Solution

The fourth proportional to 267,122.06, 400,747.89 and 80,133.56 is: 120,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,122.06 : 400,747.89 = 80,133.56 : x
  2. Step 2: Convert to fraction form
    267,122.06/400,747.89 = 80,133.56/x
  3. Step 3: Cross multiply
    267,122.06x = 400,747.89 × 80,133.56
  4. Step 4: Simplify right side
    267,122.06x = 32,113,355,088.19
  5. Step 5: Solve for x
    x = 32,113,355,088.19/267,122.06
  6. Step 6: Final answer
    x = 120,219.78

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1.5x scale

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.