Home / 207,519.30-311,558.80-132,785.32

Finding the Fourth Proportional to 207,519.30, 311,558.80 and 132,785.32

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Solution

The fourth proportional to 207,519.30, 311,558.80 and 132,785.32 is: 199,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,519.30 : 311,558.80 = 132,785.32 : x
  2. Step 2: Convert to fraction form
    207,519.30/311,558.80 = 132,785.32/x
  3. Step 3: Cross multiply
    207,519.30x = 311,558.80 × 132,785.32
  4. Step 4: Simplify right side
    207,519.30x = 41,370,434,956.82
  5. Step 5: Solve for x
    x = 41,370,434,956.82/207,519.30
  6. Step 6: Final answer
    x = 199,357.05

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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.