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Finding the Fourth Proportional to 376,027, 518,917.26 and 206,261.52

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Solution

The fourth proportional to 376,027, 518,917.26 and 206,261.52 is: 284,640.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,027 : 518,917.26 = 206,261.52 : x
  2. Step 2: Convert to fraction form
    376,027/518,917.26 = 206,261.52/x
  3. Step 3: Cross multiply
    376,027x = 518,917.26 × 206,261.52
  4. Step 4: Simplify right side
    376,027x = 107,032,662,801.84
  5. Step 5: Solve for x
    x = 107,032,662,801.84/376,027
  6. Step 6: Final answer
    x = 284,640.90

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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.