Home / 262,976.40-394,464.60-162,811.80

Finding the Fourth Proportional to 262,976.40, 394,464.60 and 162,811.80

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Solution

The fourth proportional to 262,976.40, 394,464.60 and 162,811.80 is: 244,217.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,976.40 : 394,464.60 = 162,811.80 : x
  2. Step 2: Convert to fraction form
    262,976.40/394,464.60 = 162,811.80/x
  3. Step 3: Cross multiply
    262,976.40x = 394,464.60 × 162,811.80
  4. Step 4: Simplify right side
    262,976.40x = 64,223,491,562.28
  5. Step 5: Solve for x
    x = 64,223,491,562.28/262,976.40
  6. Step 6: Final answer
    x = 244,217.70

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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.