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Finding the Fourth Proportional to 225,902.16, 338,401.40 and 135,895.28

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Solution

The fourth proportional to 225,902.16, 338,401.40 and 135,895.28 is: 203,571.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,902.16 : 338,401.40 = 135,895.28 : x
  2. Step 2: Convert to fraction form
    225,902.16/338,401.40 = 135,895.28/x
  3. Step 3: Cross multiply
    225,902.16x = 338,401.40 × 135,895.28
  4. Step 4: Simplify right side
    225,902.16x = 45,987,153,005.39
  5. Step 5: Solve for x
    x = 45,987,153,005.39/225,902.16
  6. Step 6: Final answer
    x = 203,571.11

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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.