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Finding the Fourth Proportional to 483,851.52, 667,758.24 and 269,035.20

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Solution

The fourth proportional to 483,851.52, 667,758.24 and 269,035.20 is: 371,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,851.52 : 667,758.24 = 269,035.20 : x
  2. Step 2: Convert to fraction form
    483,851.52/667,758.24 = 269,035.20/x
  3. Step 3: Cross multiply
    483,851.52x = 667,758.24 × 269,035.20
  4. Step 4: Simplify right side
    483,851.52x = 179,650,471,650.05
  5. Step 5: Solve for x
    x = 179,650,471,650.05/483,851.52
  6. Step 6: Final answer
    x = 371,292.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.