Home / 226,222.39-339,375.29-74,428.00

Finding the Fourth Proportional to 226,222.39, 339,375.29 and 74,428.00

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Solution

The fourth proportional to 226,222.39, 339,375.29 and 74,428.00 is: 111,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,222.39 : 339,375.29 = 74,428.00 : x
  2. Step 2: Convert to fraction form
    226,222.39/339,375.29 = 74,428.00/x
  3. Step 3: Cross multiply
    226,222.39x = 339,375.29 × 74,428.00
  4. Step 4: Simplify right side
    226,222.39x = 25,259,022,863.54
  5. Step 5: Solve for x
    x = 25,259,022,863.54/226,222.39
  6. Step 6: Final answer
    x = 111,655.72

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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.