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Finding the Fourth Proportional to 275,145.95, 412,747.20 and 95,231.02

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Solution

The fourth proportional to 275,145.95, 412,747.20 and 95,231.02 is: 142,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,145.95 : 412,747.20 = 95,231.02 : x
  2. Step 2: Convert to fraction form
    275,145.95/412,747.20 = 95,231.02/x
  3. Step 3: Cross multiply
    275,145.95x = 412,747.20 × 95,231.02
  4. Step 4: Simplify right side
    275,145.95x = 39,306,336,858.14
  5. Step 5: Solve for x
    x = 39,306,336,858.14/275,145.95
  6. Step 6: Final answer
    x = 142,856.32

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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.