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Finding the Fourth Proportional to 376,220.67, 519,190.88 and 206,470.59

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Solution

The fourth proportional to 376,220.67, 519,190.88 and 206,470.59 is: 284,932.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,220.67 : 519,190.88 = 206,470.59 : x
  2. Step 2: Convert to fraction form
    376,220.67/519,190.88 = 206,470.59/x
  3. Step 3: Cross multiply
    376,220.67x = 519,190.88 × 206,470.59
  4. Step 4: Simplify right side
    376,220.67x = 107,197,647,316.22
  5. Step 5: Solve for x
    x = 107,197,647,316.22/376,220.67
  6. Step 6: Final answer
    x = 284,932.90

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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.