Home / 263,719.80-395,276.15-130,687.43

Finding the Fourth Proportional to 263,719.80, 395,276.15 and 130,687.43

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Solution

The fourth proportional to 263,719.80, 395,276.15 and 130,687.43 is: 195,880.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,719.80 : 395,276.15 = 130,687.43 : x
  2. Step 2: Convert to fraction form
    263,719.80/395,276.15 = 130,687.43/x
  3. Step 3: Cross multiply
    263,719.80x = 395,276.15 × 130,687.43
  4. Step 4: Simplify right side
    263,719.80x = 51,657,622,534.13
  5. Step 5: Solve for x
    x = 51,657,622,534.13/263,719.80
  6. Step 6: Final answer
    x = 195,880.71

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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.