Home / 207,979.67-311,945.38-58,231.93

Finding the Fourth Proportional to 207,979.67, 311,945.38 and 58,231.93

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Solution

The fourth proportional to 207,979.67, 311,945.38 and 58,231.93 is: 87,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,979.67 : 311,945.38 = 58,231.93 : x
  2. Step 2: Convert to fraction form
    207,979.67/311,945.38 = 58,231.93/x
  3. Step 3: Cross multiply
    207,979.67x = 311,945.38 × 58,231.93
  4. Step 4: Simplify right side
    207,979.67x = 18,165,181,531.98
  5. Step 5: Solve for x
    x = 18,165,181,531.98/207,979.67
  6. Step 6: Final answer
    x = 87,341.14

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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.