Home / 379,889.27-569,834.85-155,249.66

Finding the Fourth Proportional to 379,889.27, 569,834.85 and 155,249.66

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Solution

The fourth proportional to 379,889.27, 569,834.85 and 155,249.66 is: 232,874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,889.27 : 569,834.85 = 155,249.66 : x
  2. Step 2: Convert to fraction form
    379,889.27/569,834.85 = 155,249.66/x
  3. Step 3: Cross multiply
    379,889.27x = 569,834.85 × 155,249.66
  4. Step 4: Simplify right side
    379,889.27x = 88,466,667,852.15
  5. Step 5: Solve for x
    x = 88,466,667,852.15/379,889.27
  6. Step 6: Final answer
    x = 232,874.88

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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.