Home / 225,580.20-311,299.68-123,605.52

Finding the Fourth Proportional to 225,580.20, 311,299.68 and 123,605.52

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Solution

The fourth proportional to 225,580.20, 311,299.68 and 123,605.52 is: 170,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,580.20 : 311,299.68 = 123,605.52 : x
  2. Step 2: Convert to fraction form
    225,580.20/311,299.68 = 123,605.52/x
  3. Step 3: Cross multiply
    225,580.20x = 311,299.68 × 123,605.52
  4. Step 4: Simplify right side
    225,580.20x = 38,478,358,822.23
  5. Step 5: Solve for x
    x = 38,478,358,822.23/225,580.20
  6. Step 6: Final answer
    x = 170,575.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.