Home / 263,048.20-394,572.30-96,814.60

Finding the Fourth Proportional to 263,048.20, 394,572.30 and 96,814.60

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Solution

The fourth proportional to 263,048.20, 394,572.30 and 96,814.60 is: 145,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,048.20 : 394,572.30 = 96,814.60 : x
  2. Step 2: Convert to fraction form
    263,048.20/394,572.30 = 96,814.60/x
  3. Step 3: Cross multiply
    263,048.20x = 394,572.30 × 96,814.60
  4. Step 4: Simplify right side
    263,048.20x = 38,200,359,395.58
  5. Step 5: Solve for x
    x = 38,200,359,395.58/263,048.20
  6. Step 6: Final answer
    x = 145,221.90

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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.