Home / 344,178.86-474,834.15-253,749.78

Finding the Fourth Proportional to 344,178.86, 474,834.15 and 253,749.78

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Solution

The fourth proportional to 344,178.86, 474,834.15 and 253,749.78 is: 350,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,178.86 : 474,834.15 = 253,749.78 : x
  2. Step 2: Convert to fraction form
    344,178.86/474,834.15 = 253,749.78/x
  3. Step 3: Cross multiply
    344,178.86x = 474,834.15 × 253,749.78
  4. Step 4: Simplify right side
    344,178.86x = 120,489,061,098.99
  5. Step 5: Solve for x
    x = 120,489,061,098.99/344,178.86
  6. Step 6: Final answer
    x = 350,076.88

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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.