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Finding the Fourth Proportional to 225,201.44, 310,773.16 and 123,226.48

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Solution

The fourth proportional to 225,201.44, 310,773.16 and 123,226.48 is: 170,049.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,201.44 : 310,773.16 = 123,226.48 : x
  2. Step 2: Convert to fraction form
    225,201.44/310,773.16 = 123,226.48/x
  3. Step 3: Cross multiply
    225,201.44x = 310,773.16 × 123,226.48
  4. Step 4: Simplify right side
    225,201.44x = 38,295,482,585.28
  5. Step 5: Solve for x
    x = 38,295,482,585.28/225,201.44
  6. Step 6: Final answer
    x = 170,049.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.