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Finding the Fourth Proportional to 223,426.60, 335,034.60 and 81,171.56

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Solution

The fourth proportional to 223,426.60, 335,034.60 and 81,171.56 is: 121,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,426.60 : 335,034.60 = 81,171.56 : x
  2. Step 2: Convert to fraction form
    223,426.60/335,034.60 = 81,171.56/x
  3. Step 3: Cross multiply
    223,426.60x = 335,034.60 × 81,171.56
  4. Step 4: Simplify right side
    223,426.60x = 27,195,281,135.98
  5. Step 5: Solve for x
    x = 27,195,281,135.98/223,426.60
  6. Step 6: Final answer
    x = 121,719.08

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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.