Home / 263,836.80-396,014.40-130,867.20

Finding the Fourth Proportional to 263,836.80, 396,014.40 and 130,867.20

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Solution

The fourth proportional to 263,836.80, 396,014.40 and 130,867.20 is: 196,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,836.80 : 396,014.40 = 130,867.20 : x
  2. Step 2: Convert to fraction form
    263,836.80/396,014.40 = 130,867.20/x
  3. Step 3: Cross multiply
    263,836.80x = 396,014.40 × 130,867.20
  4. Step 4: Simplify right side
    263,836.80x = 51,825,295,687.68
  5. Step 5: Solve for x
    x = 51,825,295,687.68/263,836.80
  6. Step 6: Final answer
    x = 196,429.37

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1.5x scale

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.