Home / 353,163.20-487,375.05-192,029.30

Finding the Fourth Proportional to 353,163.20, 487,375.05 and 192,029.30

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Solution

The fourth proportional to 353,163.20, 487,375.05 and 192,029.30 is: 265,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,163.20 : 487,375.05 = 192,029.30 : x
  2. Step 2: Convert to fraction form
    353,163.20/487,375.05 = 192,029.30/x
  3. Step 3: Cross multiply
    353,163.20x = 487,375.05 × 192,029.30
  4. Step 4: Simplify right side
    353,163.20x = 93,590,289,688.97
  5. Step 5: Solve for x
    x = 93,590,289,688.97/353,163.20
  6. Step 6: Final answer
    x = 265,005.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.