Home / 263,631.48-395,447.10-105,859.89

Finding the Fourth Proportional to 263,631.48, 395,447.10 and 105,859.89

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Solution

The fourth proportional to 263,631.48, 395,447.10 and 105,859.89 is: 158,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,631.48 : 395,447.10 = 105,859.89 : x
  2. Step 2: Convert to fraction form
    263,631.48/395,447.10 = 105,859.89/x
  3. Step 3: Cross multiply
    263,631.48x = 395,447.10 × 105,859.89
  4. Step 4: Simplify right side
    263,631.48x = 41,861,986,506.82
  5. Step 5: Solve for x
    x = 41,861,986,506.82/263,631.48
  6. Step 6: Final answer
    x = 158,789.79

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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.