Home / 263,708.80-395,823.08-187,891.55

Finding the Fourth Proportional to 263,708.80, 395,823.08 and 187,891.55

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Solution

The fourth proportional to 263,708.80, 395,823.08 and 187,891.55 is: 282,022.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,708.80 : 395,823.08 = 187,891.55 : x
  2. Step 2: Convert to fraction form
    263,708.80/395,823.08 = 187,891.55/x
  3. Step 3: Cross multiply
    263,708.80x = 395,823.08 × 187,891.55
  4. Step 4: Simplify right side
    263,708.80x = 74,371,811,473.48
  5. Step 5: Solve for x
    x = 74,371,811,473.48/263,708.80
  6. Step 6: Final answer
    x = 282,022.48

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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.