Home / 207,581.76-311,372.85-57,822.36

Finding the Fourth Proportional to 207,581.76, 311,372.85 and 57,822.36

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Solution

The fourth proportional to 207,581.76, 311,372.85 and 57,822.36 is: 86,733.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,581.76 : 311,372.85 = 57,822.36 : x
  2. Step 2: Convert to fraction form
    207,581.76/311,372.85 = 57,822.36/x
  3. Step 3: Cross multiply
    207,581.76x = 311,372.85 × 57,822.36
  4. Step 4: Simplify right side
    207,581.76x = 18,004,313,026.93
  5. Step 5: Solve for x
    x = 18,004,313,026.93/207,581.76
  6. Step 6: Final answer
    x = 86,733.60

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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.