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Finding the Fourth Proportional to 305,099.52, 457,757.28 and 136,606.56

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Solution

The fourth proportional to 305,099.52, 457,757.28 and 136,606.56 is: 204,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,099.52 : 457,757.28 = 136,606.56 : x
  2. Step 2: Convert to fraction form
    305,099.52/457,757.28 = 136,606.56/x
  3. Step 3: Cross multiply
    305,099.52x = 457,757.28 × 136,606.56
  4. Step 4: Simplify right side
    305,099.52x = 62,532,647,335.76
  5. Step 5: Solve for x
    x = 62,532,647,335.76/305,099.52
  6. Step 6: Final answer
    x = 204,958.20

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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.