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Finding the Fourth Proportional to 225,847.63, 338,841.61 and 135,989.27

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Solution

The fourth proportional to 225,847.63, 338,841.61 and 135,989.27 is: 204,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,847.63 : 338,841.61 = 135,989.27 : x
  2. Step 2: Convert to fraction form
    225,847.63/338,841.61 = 135,989.27/x
  3. Step 3: Cross multiply
    225,847.63x = 338,841.61 × 135,989.27
  4. Step 4: Simplify right side
    225,847.63x = 46,078,823,189.52
  5. Step 5: Solve for x
    x = 46,078,823,189.52/225,847.63
  6. Step 6: Final answer
    x = 204,026.15

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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.