Home / 263,320.80-394,657.20-179,080.80

Finding the Fourth Proportional to 263,320.80, 394,657.20 and 179,080.80

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Solution

The fourth proportional to 263,320.80, 394,657.20 and 179,080.80 is: 268,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,320.80 : 394,657.20 = 179,080.80 : x
  2. Step 2: Convert to fraction form
    263,320.80/394,657.20 = 179,080.80/x
  3. Step 3: Cross multiply
    263,320.80x = 394,657.20 × 179,080.80
  4. Step 4: Simplify right side
    263,320.80x = 70,675,527,101.76
  5. Step 5: Solve for x
    x = 70,675,527,101.76/263,320.80
  6. Step 6: Final answer
    x = 268,400.85

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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.