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Finding the Fourth Proportional to 376,600.56, 519,710.04 and 206,830.32

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Solution

The fourth proportional to 376,600.56, 519,710.04 and 206,830.32 is: 285,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,600.56 : 519,710.04 = 206,830.32 : x
  2. Step 2: Convert to fraction form
    376,600.56/519,710.04 = 206,830.32/x
  3. Step 3: Cross multiply
    376,600.56x = 519,710.04 × 206,830.32
  4. Step 4: Simplify right side
    376,600.56x = 107,491,793,880.41
  5. Step 5: Solve for x
    x = 107,491,793,880.41/376,600.56
  6. Step 6: Final answer
    x = 285,426.54

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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.