Home / 204,406.12-306,650.19-71,250.63

Finding the Fourth Proportional to 204,406.12, 306,650.19 and 71,250.63

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Solution

The fourth proportional to 204,406.12, 306,650.19 and 71,250.63 is: 106,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,406.12 : 306,650.19 = 71,250.63 : x
  2. Step 2: Convert to fraction form
    204,406.12/306,650.19 = 71,250.63/x
  3. Step 3: Cross multiply
    204,406.12x = 306,650.19 × 71,250.63
  4. Step 4: Simplify right side
    204,406.12x = 21,849,019,227.12
  5. Step 5: Solve for x
    x = 21,849,019,227.12/204,406.12
  6. Step 6: Final answer
    x = 106,890.24

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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.