Home / 207,511.33-311,546.84-132,777.36

Finding the Fourth Proportional to 207,511.33, 311,546.84 and 132,777.36

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Solution

The fourth proportional to 207,511.33, 311,546.84 and 132,777.36 is: 199,345.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,511.33 : 311,546.84 = 132,777.36 : x
  2. Step 2: Convert to fraction form
    207,511.33/311,546.84 = 132,777.36/x
  3. Step 3: Cross multiply
    207,511.33x = 311,546.84 × 132,777.36
  4. Step 4: Simplify right side
    207,511.33x = 41,366,366,931.54
  5. Step 5: Solve for x
    x = 41,366,366,931.54/207,511.33
  6. Step 6: Final answer
    x = 199,345.10

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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.