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Finding the Fourth Proportional to 226,422.40, 339,633.60 and 121,446.40

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Solution

The fourth proportional to 226,422.40, 339,633.60 and 121,446.40 is: 182,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,422.40 : 339,633.60 = 121,446.40 : x
  2. Step 2: Convert to fraction form
    226,422.40/339,633.60 = 121,446.40/x
  3. Step 3: Cross multiply
    226,422.40x = 339,633.60 × 121,446.40
  4. Step 4: Simplify right side
    226,422.40x = 41,247,278,039.04
  5. Step 5: Solve for x
    x = 41,247,278,039.04/226,422.40
  6. Step 6: Final answer
    x = 182,169.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.