Home / 207,733.20-311,876.52-140,491.12

Finding the Fourth Proportional to 207,733.20, 311,876.52 and 140,491.12

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Solution

The fourth proportional to 207,733.20, 311,876.52 and 140,491.12 is: 210,923.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,733.20 : 311,876.52 = 140,491.12 : x
  2. Step 2: Convert to fraction form
    207,733.20/311,876.52 = 140,491.12/x
  3. Step 3: Cross multiply
    207,733.20x = 311,876.52 × 140,491.12
  4. Step 4: Simplify right side
    207,733.20x = 43,815,881,596.50
  5. Step 5: Solve for x
    x = 43,815,881,596.50/207,733.20
  6. Step 6: Final answer
    x = 210,923.83

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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.