Home / 226,223.28-339,028.74-85,905.36

Finding the Fourth Proportional to 226,223.28, 339,028.74 and 85,905.36

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Solution

The fourth proportional to 226,223.28, 339,028.74 and 85,905.36 is: 128,741.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,223.28 : 339,028.74 = 85,905.36 : x
  2. Step 2: Convert to fraction form
    226,223.28/339,028.74 = 85,905.36/x
  3. Step 3: Cross multiply
    226,223.28x = 339,028.74 × 85,905.36
  4. Step 4: Simplify right side
    226,223.28x = 29,124,385,960.05
  5. Step 5: Solve for x
    x = 29,124,385,960.05/226,223.28
  6. Step 6: Final answer
    x = 128,741.77

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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.