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Finding the Fourth Proportional to 376,240.72, 519,227.16 and 206,480.96

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Solution

The fourth proportional to 376,240.72, 519,227.16 and 206,480.96 is: 284,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,240.72 : 519,227.16 = 206,480.96 : x
  2. Step 2: Convert to fraction form
    376,240.72/519,227.16 = 206,480.96/x
  3. Step 3: Cross multiply
    376,240.72x = 519,227.16 × 206,480.96
  4. Step 4: Simplify right side
    376,240.72x = 107,210,522,454.87
  5. Step 5: Solve for x
    x = 107,210,522,454.87/376,240.72
  6. Step 6: Final answer
    x = 284,951.94

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1.5x scale

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.