Home / 207,781.38-311,672.15-50,009.83

Finding the Fourth Proportional to 207,781.38, 311,672.15 and 50,009.83

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Solution

The fourth proportional to 207,781.38, 311,672.15 and 50,009.83 is: 75,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,781.38 : 311,672.15 = 50,009.83 : x
  2. Step 2: Convert to fraction form
    207,781.38/311,672.15 = 50,009.83/x
  3. Step 3: Cross multiply
    207,781.38x = 311,672.15 × 50,009.83
  4. Step 4: Simplify right side
    207,781.38x = 15,586,671,576.45
  5. Step 5: Solve for x
    x = 15,586,671,576.45/207,781.38
  6. Step 6: Final answer
    x = 75,014.77

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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.