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Finding the Fourth Proportional to 275,181.29, 412,727.63 and 75,455.31

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Solution

The fourth proportional to 275,181.29, 412,727.63 and 75,455.31 is: 113,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,181.29 : 412,727.63 = 75,455.31 : x
  2. Step 2: Convert to fraction form
    275,181.29/412,727.63 = 75,455.31/x
  3. Step 3: Cross multiply
    275,181.29x = 412,727.63 × 75,455.31
  4. Step 4: Simplify right side
    275,181.29x = 31,142,490,889.94
  5. Step 5: Solve for x
    x = 31,142,490,889.94/275,181.29
  6. Step 6: Final answer
    x = 113,170.82

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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.