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Finding the Fourth Proportional to 267,334.80, 401,002.20 and 80,346.30

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Solution

The fourth proportional to 267,334.80, 401,002.20 and 80,346.30 is: 120,519.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,334.80 : 401,002.20 = 80,346.30 : x
  2. Step 2: Convert to fraction form
    267,334.80/401,002.20 = 80,346.30/x
  3. Step 3: Cross multiply
    267,334.80x = 401,002.20 × 80,346.30
  4. Step 4: Simplify right side
    267,334.80x = 32,219,043,061.86
  5. Step 5: Solve for x
    x = 32,219,043,061.86/267,334.80
  6. Step 6: Final answer
    x = 120,519.45

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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.