Home / 376,076.09-518,976.10-206,308.73

Finding the Fourth Proportional to 376,076.09, 518,976.10 and 206,308.73

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Solution

The fourth proportional to 376,076.09, 518,976.10 and 206,308.73 is: 284,701.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,076.09 : 518,976.10 = 206,308.73 : x
  2. Step 2: Convert to fraction form
    376,076.09/518,976.10 = 206,308.73/x
  3. Step 3: Cross multiply
    376,076.09x = 518,976.10 × 206,308.73
  4. Step 4: Simplify right side
    376,076.09x = 107,069,300,091.35
  5. Step 5: Solve for x
    x = 107,069,300,091.35/376,076.09
  6. Step 6: Final answer
    x = 284,701.16

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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.