Home / 275,260.11-412,845.96-75,533.85

Finding the Fourth Proportional to 275,260.11, 412,845.96 and 75,533.85

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Solution

The fourth proportional to 275,260.11, 412,845.96 and 75,533.85 is: 113,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,260.11 : 412,845.96 = 75,533.85 : x
  2. Step 2: Convert to fraction form
    275,260.11/412,845.96 = 75,533.85/x
  3. Step 3: Cross multiply
    275,260.11x = 412,845.96 × 75,533.85
  4. Step 4: Simplify right side
    275,260.11x = 31,183,845,099.00
  5. Step 5: Solve for x
    x = 31,183,845,099.00/275,260.11
  6. Step 6: Final answer
    x = 113,288.65

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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.