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Finding the Fourth Proportional to 317,231.28, 475,868.79 and 92,593.58

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Solution

The fourth proportional to 317,231.28, 475,868.79 and 92,593.58 is: 138,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,231.28 : 475,868.79 = 92,593.58 : x
  2. Step 2: Convert to fraction form
    317,231.28/475,868.79 = 92,593.58/x
  3. Step 3: Cross multiply
    317,231.28x = 475,868.79 × 92,593.58
  4. Step 4: Simplify right side
    317,231.28x = 44,062,392,497.02
  5. Step 5: Solve for x
    x = 44,062,392,497.02/317,231.28
  6. Step 6: Final answer
    x = 138,896.75

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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.