Home / 204,619.20-306,928.80-195,433.80

Finding the Fourth Proportional to 204,619.20, 306,928.80 and 195,433.80

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Solution

The fourth proportional to 204,619.20, 306,928.80 and 195,433.80 is: 293,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,619.20 : 306,928.80 = 195,433.80 : x
  2. Step 2: Convert to fraction form
    204,619.20/306,928.80 = 195,433.80/x
  3. Step 3: Cross multiply
    204,619.20x = 306,928.80 × 195,433.80
  4. Step 4: Simplify right side
    204,619.20x = 59,984,261,713.44
  5. Step 5: Solve for x
    x = 59,984,261,713.44/204,619.20
  6. Step 6: Final answer
    x = 293,150.70

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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.