Home / 286,171.86-394,837.14-178,850.91

Finding the Fourth Proportional to 286,171.86, 394,837.14 and 178,850.91

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Solution

The fourth proportional to 286,171.86, 394,837.14 and 178,850.91 is: 246,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,171.86 : 394,837.14 = 178,850.91 : x
  2. Step 2: Convert to fraction form
    286,171.86/394,837.14 = 178,850.91/x
  3. Step 3: Cross multiply
    286,171.86x = 394,837.14 × 178,850.91
  4. Step 4: Simplify right side
    286,171.86x = 70,616,981,790.80
  5. Step 5: Solve for x
    x = 70,616,981,790.80/286,171.86
  6. Step 6: Final answer
    x = 246,764.24

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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.