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Finding the Fourth Proportional to 262,879.40, 394,103.10 and 113,234.60

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Solution

The fourth proportional to 262,879.40, 394,103.10 and 113,234.60 is: 169,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,879.40 : 394,103.10 = 113,234.60 : x
  2. Step 2: Convert to fraction form
    262,879.40/394,103.10 = 113,234.60/x
  3. Step 3: Cross multiply
    262,879.40x = 394,103.10 × 113,234.60
  4. Step 4: Simplify right side
    262,879.40x = 44,626,106,887.26
  5. Step 5: Solve for x
    x = 44,626,106,887.26/262,879.40
  6. Step 6: Final answer
    x = 169,758.86

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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.