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Finding the Fourth Proportional to 286,067.52, 394,903.08 and 195,570

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Solution

The fourth proportional to 286,067.52, 394,903.08 and 195,570 is: 269,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,067.52 : 394,903.08 = 195,570 : x
  2. Step 2: Convert to fraction form
    286,067.52/394,903.08 = 195,570/x
  3. Step 3: Cross multiply
    286,067.52x = 394,903.08 × 195,570
  4. Step 4: Simplify right side
    286,067.52x = 77,231,195,355.60
  5. Step 5: Solve for x
    x = 77,231,195,355.60/286,067.52
  6. Step 6: Final answer
    x = 269,975.41

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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.