Home / 263,039.20-394,558.80-73,499.20

Finding the Fourth Proportional to 263,039.20, 394,558.80 and 73,499.20

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Solution

The fourth proportional to 263,039.20, 394,558.80 and 73,499.20 is: 110,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,039.20 : 394,558.80 = 73,499.20 : x
  2. Step 2: Convert to fraction form
    263,039.20/394,558.80 = 73,499.20/x
  3. Step 3: Cross multiply
    263,039.20x = 394,558.80 × 73,499.20
  4. Step 4: Simplify right side
    263,039.20x = 28,999,756,152.96
  5. Step 5: Solve for x
    x = 28,999,756,152.96/263,039.20
  6. Step 6: Final answer
    x = 110,248.80

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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.