Home / 253,749.14-379,571.78-193,320.38

Finding the Fourth Proportional to 253,749.14, 379,571.78 and 193,320.38

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Solution

The fourth proportional to 253,749.14, 379,571.78 and 193,320.38 is: 289,179.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,749.14 : 379,571.78 = 193,320.38 : x
  2. Step 2: Convert to fraction form
    253,749.14/379,571.78 = 193,320.38/x
  3. Step 3: Cross multiply
    253,749.14x = 379,571.78 × 193,320.38
  4. Step 4: Simplify right side
    253,749.14x = 73,378,957,882.42
  5. Step 5: Solve for x
    x = 73,378,957,882.42/253,749.14
  6. Step 6: Final answer
    x = 289,179.14

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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.