Home / 263,012.20-394,518.30-252,514.60

Finding the Fourth Proportional to 263,012.20, 394,518.30 and 252,514.60

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Solution

The fourth proportional to 263,012.20, 394,518.30 and 252,514.60 is: 378,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,012.20 : 394,518.30 = 252,514.60 : x
  2. Step 2: Convert to fraction form
    263,012.20/394,518.30 = 252,514.60/x
  3. Step 3: Cross multiply
    263,012.20x = 394,518.30 × 252,514.60
  4. Step 4: Simplify right side
    263,012.20x = 99,621,630,717.18
  5. Step 5: Solve for x
    x = 99,621,630,717.18/263,012.20
  6. Step 6: Final answer
    x = 378,771.90

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1.5x scale

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.