Home / 263,859.30-395,789.76-64,179.72

Finding the Fourth Proportional to 263,859.30, 395,789.76 and 64,179.72

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Solution

The fourth proportional to 263,859.30, 395,789.76 and 64,179.72 is: 96,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,859.30 : 395,789.76 = 64,179.72 : x
  2. Step 2: Convert to fraction form
    263,859.30/395,789.76 = 64,179.72/x
  3. Step 3: Cross multiply
    263,859.30x = 395,789.76 × 64,179.72
  4. Step 4: Simplify right side
    263,859.30x = 25,401,675,975.67
  5. Step 5: Solve for x
    x = 25,401,675,975.67/263,859.30
  6. Step 6: Final answer
    x = 96,269.78

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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.