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Finding the Fourth Proportional to 275,006, 379,220.44 and 203,535.92

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Solution

The fourth proportional to 275,006, 379,220.44 and 203,535.92 is: 280,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,006 : 379,220.44 = 203,535.92 : x
  2. Step 2: Convert to fraction form
    275,006/379,220.44 = 203,535.92/x
  3. Step 3: Cross multiply
    275,006x = 379,220.44 × 203,535.92
  4. Step 4: Simplify right side
    275,006x = 77,184,981,138.20
  5. Step 5: Solve for x
    x = 77,184,981,138.20/275,006
  6. Step 6: Final answer
    x = 280,666.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.