Home / 263,247.06-394,919.81-105,487.82

Finding the Fourth Proportional to 263,247.06, 394,919.81 and 105,487.82

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Solution

The fourth proportional to 263,247.06, 394,919.81 and 105,487.82 is: 158,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,247.06 : 394,919.81 = 105,487.82 : x
  2. Step 2: Convert to fraction form
    263,247.06/394,919.81 = 105,487.82/x
  3. Step 3: Cross multiply
    263,247.06x = 394,919.81 × 105,487.82
  4. Step 4: Simplify right side
    263,247.06x = 41,659,229,831.71
  5. Step 5: Solve for x
    x = 41,659,229,831.71/263,247.06
  6. Step 6: Final answer
    x = 158,251.45

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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.