Home / 376,074.09-518,973.35-206,306.73

Finding the Fourth Proportional to 376,074.09, 518,973.35 and 206,306.73

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Solution

The fourth proportional to 376,074.09, 518,973.35 and 206,306.73 is: 284,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,074.09 : 518,973.35 = 206,306.73 : x
  2. Step 2: Convert to fraction form
    376,074.09/518,973.35 = 206,306.73/x
  3. Step 3: Cross multiply
    376,074.09x = 518,973.35 × 206,306.73
  4. Step 4: Simplify right side
    376,074.09x = 107,067,693,764.11
  5. Step 5: Solve for x
    x = 107,067,693,764.11/376,074.09
  6. Step 6: Final answer
    x = 284,698.41

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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.