Home / 263,121.30-394,293.15-223,463.70

Finding the Fourth Proportional to 263,121.30, 394,293.15 and 223,463.70

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Solution

The fourth proportional to 263,121.30, 394,293.15 and 223,463.70 is: 334,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,121.30 : 394,293.15 = 223,463.70 : x
  2. Step 2: Convert to fraction form
    263,121.30/394,293.15 = 223,463.70/x
  3. Step 3: Cross multiply
    263,121.30x = 394,293.15 × 223,463.70
  4. Step 4: Simplify right side
    263,121.30x = 88,110,206,183.66
  5. Step 5: Solve for x
    x = 88,110,206,183.66/263,121.30
  6. Step 6: Final answer
    x = 334,865.35

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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.