Home / 263,086.98-394,778.46-143,152.58

Finding the Fourth Proportional to 263,086.98, 394,778.46 and 143,152.58

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Solution

The fourth proportional to 263,086.98, 394,778.46 and 143,152.58 is: 214,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,086.98 : 394,778.46 = 143,152.58 : x
  2. Step 2: Convert to fraction form
    263,086.98/394,778.46 = 143,152.58/x
  3. Step 3: Cross multiply
    263,086.98x = 394,778.46 × 143,152.58
  4. Step 4: Simplify right side
    263,086.98x = 56,513,555,077.43
  5. Step 5: Solve for x
    x = 56,513,555,077.43/263,086.98
  6. Step 6: Final answer
    x = 214,809.40

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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.