Home / 379,923.68-569,383.24-199,640.76

Finding the Fourth Proportional to 379,923.68, 569,383.24 and 199,640.76

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Solution

The fourth proportional to 379,923.68, 569,383.24 and 199,640.76 is: 299,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,923.68 : 569,383.24 = 199,640.76 : x
  2. Step 2: Convert to fraction form
    379,923.68/569,383.24 = 199,640.76/x
  3. Step 3: Cross multiply
    379,923.68x = 569,383.24 × 199,640.76
  4. Step 4: Simplify right side
    379,923.68x = 113,672,102,764.86
  5. Step 5: Solve for x
    x = 113,672,102,764.86/379,923.68
  6. Step 6: Final answer
    x = 299,197.20

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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.