Home / 204,488.50-306,760.70-71,349.21

Finding the Fourth Proportional to 204,488.50, 306,760.70 and 71,349.21

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Solution

The fourth proportional to 204,488.50, 306,760.70 and 71,349.21 is: 107,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,488.50 : 306,760.70 = 71,349.21 : x
  2. Step 2: Convert to fraction form
    204,488.50/306,760.70 = 71,349.21/x
  3. Step 3: Cross multiply
    204,488.50x = 306,760.70 × 71,349.21
  4. Step 4: Simplify right side
    204,488.50x = 21,887,133,604.05
  5. Step 5: Solve for x
    x = 21,887,133,604.05/204,488.50
  6. Step 6: Final answer
    x = 107,033.57

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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.