Home / 207,538.80-311,308.20-188,839.95

Finding the Fourth Proportional to 207,538.80, 311,308.20 and 188,839.95

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Solution

The fourth proportional to 207,538.80, 311,308.20 and 188,839.95 is: 283,259.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,538.80 : 311,308.20 = 188,839.95 : x
  2. Step 2: Convert to fraction form
    207,538.80/311,308.20 = 188,839.95/x
  3. Step 3: Cross multiply
    207,538.80x = 311,308.20 × 188,839.95
  4. Step 4: Simplify right side
    207,538.80x = 58,787,424,922.59
  5. Step 5: Solve for x
    x = 58,787,424,922.59/207,538.80
  6. Step 6: Final answer
    x = 283,259.93

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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.