Home / 286,169.96-394,834.32-178,849.04

Finding the Fourth Proportional to 286,169.96, 394,834.32 and 178,849.04

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Solution

The fourth proportional to 286,169.96, 394,834.32 and 178,849.04 is: 246,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,169.96 : 394,834.32 = 178,849.04 : x
  2. Step 2: Convert to fraction form
    286,169.96/394,834.32 = 178,849.04/x
  3. Step 3: Cross multiply
    286,169.96x = 394,834.32 × 178,849.04
  4. Step 4: Simplify right side
    286,169.96x = 70,615,739,091.05
  5. Step 5: Solve for x
    x = 70,615,739,091.05/286,169.96
  6. Step 6: Final answer
    x = 246,761.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.