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Finding the Fourth Proportional to 225,907.92, 338,695.81 and 107,662.30

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Solution

The fourth proportional to 225,907.92, 338,695.81 and 107,662.30 is: 161,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,907.92 : 338,695.81 = 107,662.30 : x
  2. Step 2: Convert to fraction form
    225,907.92/338,695.81 = 107,662.30/x
  3. Step 3: Cross multiply
    225,907.92x = 338,695.81 × 107,662.30
  4. Step 4: Simplify right side
    225,907.92x = 36,464,769,904.96
  5. Step 5: Solve for x
    x = 36,464,769,904.96/225,907.92
  6. Step 6: Final answer
    x = 161,414.31

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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.