Home / 263,086.20-394,175.70-122,556.60

Finding the Fourth Proportional to 263,086.20, 394,175.70 and 122,556.60

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Solution

The fourth proportional to 263,086.20, 394,175.70 and 122,556.60 is: 183,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,086.20 : 394,175.70 = 122,556.60 : x
  2. Step 2: Convert to fraction form
    263,086.20/394,175.70 = 122,556.60/x
  3. Step 3: Cross multiply
    263,086.20x = 394,175.70 × 122,556.60
  4. Step 4: Simplify right side
    263,086.20x = 48,308,833,594.62
  5. Step 5: Solve for x
    x = 48,308,833,594.62/263,086.20
  6. Step 6: Final answer
    x = 183,623.59

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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.