Home / 204,270.54-306,434.50-54,515.70

Finding the Fourth Proportional to 204,270.54, 306,434.50 and 54,515.70

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Solution

The fourth proportional to 204,270.54, 306,434.50 and 54,515.70 is: 81,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,270.54 : 306,434.50 = 54,515.70 : x
  2. Step 2: Convert to fraction form
    204,270.54/306,434.50 = 54,515.70/x
  3. Step 3: Cross multiply
    204,270.54x = 306,434.50 × 54,515.70
  4. Step 4: Simplify right side
    204,270.54x = 16,705,491,271.65
  5. Step 5: Solve for x
    x = 16,705,491,271.65/204,270.54
  6. Step 6: Final answer
    x = 81,781.21

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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.