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Finding the Fourth Proportional to 285,600.33, 428,460.64 and 108,103.41

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Solution

The fourth proportional to 285,600.33, 428,460.64 and 108,103.41 is: 162,177.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,600.33 : 428,460.64 = 108,103.41 : x
  2. Step 2: Convert to fraction form
    285,600.33/428,460.64 = 108,103.41/x
  3. Step 3: Cross multiply
    285,600.33x = 428,460.64 × 108,103.41
  4. Step 4: Simplify right side
    285,600.33x = 46,318,055,964.52
  5. Step 5: Solve for x
    x = 46,318,055,964.52/285,600.33
  6. Step 6: Final answer
    x = 162,177.88

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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.