Home / 226,236.28-339,048.24-85,918.36

Finding the Fourth Proportional to 226,236.28, 339,048.24 and 85,918.36

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Solution

The fourth proportional to 226,236.28, 339,048.24 and 85,918.36 is: 128,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,236.28 : 339,048.24 = 85,918.36 : x
  2. Step 2: Convert to fraction form
    226,236.28/339,048.24 = 85,918.36/x
  3. Step 3: Cross multiply
    226,236.28x = 339,048.24 × 85,918.36
  4. Step 4: Simplify right side
    226,236.28x = 29,130,468,741.69
  5. Step 5: Solve for x
    x = 29,130,468,741.69/226,236.28
  6. Step 6: Final answer
    x = 128,761.26

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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.