Home / 263,540.43-395,384.45-105,879.60

Finding the Fourth Proportional to 263,540.43, 395,384.45 and 105,879.60

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Solution

The fourth proportional to 263,540.43, 395,384.45 and 105,879.60 is: 158,849.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,540.43 : 395,384.45 = 105,879.60 : x
  2. Step 2: Convert to fraction form
    263,540.43/395,384.45 = 105,879.60/x
  3. Step 3: Cross multiply
    263,540.43x = 395,384.45 × 105,879.60
  4. Step 4: Simplify right side
    263,540.43x = 41,863,146,882.82
  5. Step 5: Solve for x
    x = 41,863,146,882.82/263,540.43
  6. Step 6: Final answer
    x = 158,849.05

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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.