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Finding the Fourth Proportional to 275,201.20, 412,801.80 and 88,231.60

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Solution

The fourth proportional to 275,201.20, 412,801.80 and 88,231.60 is: 132,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,201.20 : 412,801.80 = 88,231.60 : x
  2. Step 2: Convert to fraction form
    275,201.20/412,801.80 = 88,231.60/x
  3. Step 3: Cross multiply
    275,201.20x = 412,801.80 × 88,231.60
  4. Step 4: Simplify right side
    275,201.20x = 36,422,163,296.88
  5. Step 5: Solve for x
    x = 36,422,163,296.88/275,201.20
  6. Step 6: Final answer
    x = 132,347.40

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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.