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Finding the Fourth Proportional to 225,999.60, 338,999.40 and 200,630.40

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Solution

The fourth proportional to 225,999.60, 338,999.40 and 200,630.40 is: 300,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,999.60 : 338,999.40 = 200,630.40 : x
  2. Step 2: Convert to fraction form
    225,999.60/338,999.40 = 200,630.40/x
  3. Step 3: Cross multiply
    225,999.60x = 338,999.40 × 200,630.40
  4. Step 4: Simplify right side
    225,999.60x = 68,013,585,221.76
  5. Step 5: Solve for x
    x = 68,013,585,221.76/225,999.60
  6. Step 6: Final answer
    x = 300,945.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.