Home / 262,048.20-393,072.30-199,062.60

Finding the Fourth Proportional to 262,048.20, 393,072.30 and 199,062.60

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Solution

The fourth proportional to 262,048.20, 393,072.30 and 199,062.60 is: 298,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,048.20 : 393,072.30 = 199,062.60 : x
  2. Step 2: Convert to fraction form
    262,048.20/393,072.30 = 199,062.60/x
  3. Step 3: Cross multiply
    262,048.20x = 393,072.30 × 199,062.60
  4. Step 4: Simplify right side
    262,048.20x = 78,245,994,025.98
  5. Step 5: Solve for x
    x = 78,245,994,025.98/262,048.20
  6. Step 6: Final answer
    x = 298,593.90

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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.