Home / 275,228.20-412,899.90-88,258.60

Finding the Fourth Proportional to 275,228.20, 412,899.90 and 88,258.60

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Solution

The fourth proportional to 275,228.20, 412,899.90 and 88,258.60 is: 132,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,228.20 : 412,899.90 = 88,258.60 : x
  2. Step 2: Convert to fraction form
    275,228.20/412,899.90 = 88,258.60/x
  3. Step 3: Cross multiply
    275,228.20x = 412,899.90 × 88,258.60
  4. Step 4: Simplify right side
    275,228.20x = 36,441,967,114.14
  5. Step 5: Solve for x
    x = 36,441,967,114.14/275,228.20
  6. Step 6: Final answer
    x = 132,406.37

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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.