Home / 320,839.04-481,424.72-163,067.65

Finding the Fourth Proportional to 320,839.04, 481,424.72 and 163,067.65

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Solution

The fourth proportional to 320,839.04, 481,424.72 and 163,067.65 is: 244,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,839.04 : 481,424.72 = 163,067.65 : x
  2. Step 2: Convert to fraction form
    320,839.04/481,424.72 = 163,067.65/x
  3. Step 3: Cross multiply
    320,839.04x = 481,424.72 × 163,067.65
  4. Step 4: Simplify right side
    320,839.04x = 78,504,795,723.41
  5. Step 5: Solve for x
    x = 78,504,795,723.41/320,839.04
  6. Step 6: Final answer
    x = 244,685.92

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1.5x scale

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.