Home / 275,998.20-413,997.30-265,111.80

Finding the Fourth Proportional to 275,998.20, 413,997.30 and 265,111.80

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Solution

The fourth proportional to 275,998.20, 413,997.30 and 265,111.80 is: 397,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,998.20 : 413,997.30 = 265,111.80 : x
  2. Step 2: Convert to fraction form
    275,998.20/413,997.30 = 265,111.80/x
  3. Step 3: Cross multiply
    275,998.20x = 413,997.30 × 265,111.80
  4. Step 4: Simplify right side
    275,998.20x = 109,755,569,398.14
  5. Step 5: Solve for x
    x = 109,755,569,398.14/275,998.20
  6. Step 6: Final answer
    x = 397,667.70

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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.