Home / 263,231.20-394,749.60-130,067.20

Finding the Fourth Proportional to 263,231.20, 394,749.60 and 130,067.20

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Solution

The fourth proportional to 263,231.20, 394,749.60 and 130,067.20 is: 195,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,231.20 : 394,749.60 = 130,067.20 : x
  2. Step 2: Convert to fraction form
    263,231.20/394,749.60 = 130,067.20/x
  3. Step 3: Cross multiply
    263,231.20x = 394,749.60 × 130,067.20
  4. Step 4: Simplify right side
    263,231.20x = 51,343,975,173.12
  5. Step 5: Solve for x
    x = 51,343,975,173.12/263,231.20
  6. Step 6: Final answer
    x = 195,052.77

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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.