Home / 330,791.47-496,351.16-131,107.43

Finding the Fourth Proportional to 330,791.47, 496,351.16 and 131,107.43

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Solution

The fourth proportional to 330,791.47, 496,351.16 and 131,107.43 is: 196,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,791.47 : 496,351.16 = 131,107.43 : x
  2. Step 2: Convert to fraction form
    330,791.47/496,351.16 = 131,107.43/x
  3. Step 3: Cross multiply
    330,791.47x = 496,351.16 × 131,107.43
  4. Step 4: Simplify right side
    330,791.47x = 65,075,324,965.12
  5. Step 5: Solve for x
    x = 65,075,324,965.12/330,791.47
  6. Step 6: Final answer
    x = 196,726.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.