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Finding the Fourth Proportional to 225,910.92, 338,700.32 and 107,665.32

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Solution

The fourth proportional to 225,910.92, 338,700.32 and 107,665.32 is: 161,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,910.92 : 338,700.32 = 107,665.32 : x
  2. Step 2: Convert to fraction form
    225,910.92/338,700.32 = 107,665.32/x
  3. Step 3: Cross multiply
    225,910.92x = 338,700.32 × 107,665.32
  4. Step 4: Simplify right side
    225,910.92x = 36,466,278,336.90
  5. Step 5: Solve for x
    x = 36,466,278,336.90/225,910.92
  6. Step 6: Final answer
    x = 161,418.84

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1.5x scale

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.