Home / 263,406.20-394,764.71-105,745.37

Finding the Fourth Proportional to 263,406.20, 394,764.71 and 105,745.37

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Solution

The fourth proportional to 263,406.20, 394,764.71 and 105,745.37 is: 158,479.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,406.20 : 394,764.71 = 105,745.37 : x
  2. Step 2: Convert to fraction form
    263,406.20/394,764.71 = 105,745.37/x
  3. Step 3: Cross multiply
    263,406.20x = 394,764.71 × 105,745.37
  4. Step 4: Simplify right side
    263,406.20x = 41,744,537,819.34
  5. Step 5: Solve for x
    x = 41,744,537,819.34/263,406.20
  6. Step 6: Final answer
    x = 158,479.71

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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.