Home / 262,823.60-394,301.20-75,835.10

Finding the Fourth Proportional to 262,823.60, 394,301.20 and 75,835.10

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Solution

The fourth proportional to 262,823.60, 394,301.20 and 75,835.10 is: 113,771.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,823.60 : 394,301.20 = 75,835.10 : x
  2. Step 2: Convert to fraction form
    262,823.60/394,301.20 = 75,835.10/x
  3. Step 3: Cross multiply
    262,823.60x = 394,301.20 × 75,835.10
  4. Step 4: Simplify right side
    262,823.60x = 29,901,870,932.12
  5. Step 5: Solve for x
    x = 29,901,870,932.12/262,823.60
  6. Step 6: Final answer
    x = 113,771.64

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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.