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Finding the Fourth Proportional to 222,757.39, 334,126.90 and 80,606.03

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Solution

The fourth proportional to 222,757.39, 334,126.90 and 80,606.03 is: 120,905.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,757.39 : 334,126.90 = 80,606.03 : x
  2. Step 2: Convert to fraction form
    222,757.39/334,126.90 = 80,606.03/x
  3. Step 3: Cross multiply
    222,757.39x = 334,126.90 × 80,606.03
  4. Step 4: Simplify right side
    222,757.39x = 26,932,643,559.01
  5. Step 5: Solve for x
    x = 26,932,643,559.01/222,757.39
  6. Step 6: Final answer
    x = 120,905.73

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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.