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Finding the Fourth Proportional to 483,535.87, 667,267.37 and 268,676.48

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Solution

The fourth proportional to 483,535.87, 667,267.37 and 268,676.48 is: 370,766.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,535.87 : 667,267.37 = 268,676.48 : x
  2. Step 2: Convert to fraction form
    483,535.87/667,267.37 = 268,676.48/x
  3. Step 3: Cross multiply
    483,535.87x = 667,267.37 × 268,676.48
  4. Step 4: Simplify right side
    483,535.87x = 179,279,048,190.46
  5. Step 5: Solve for x
    x = 179,279,048,190.46/483,535.87
  6. Step 6: Final answer
    x = 370,766.80

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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.