Home / 204,302.85-306,388.27-74,453.14

Finding the Fourth Proportional to 204,302.85, 306,388.27 and 74,453.14

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Solution

The fourth proportional to 204,302.85, 306,388.27 and 74,453.14 is: 111,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,302.85 : 306,388.27 = 74,453.14 : x
  2. Step 2: Convert to fraction form
    204,302.85/306,388.27 = 74,453.14/x
  3. Step 3: Cross multiply
    204,302.85x = 306,388.27 × 74,453.14
  4. Step 4: Simplify right side
    204,302.85x = 22,811,568,760.67
  5. Step 5: Solve for x
    x = 22,811,568,760.67/204,302.85
  6. Step 6: Final answer
    x = 111,655.66

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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.