Home / 213,918.72-296,558.34-202,542

Finding the Fourth Proportional to 213,918.72, 296,558.34 and 202,542

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Solution

The fourth proportional to 213,918.72, 296,558.34 and 202,542 is: 280,786.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,918.72 : 296,558.34 = 202,542 : x
  2. Step 2: Convert to fraction form
    213,918.72/296,558.34 = 202,542/x
  3. Step 3: Cross multiply
    213,918.72x = 296,558.34 × 202,542
  4. Step 4: Simplify right side
    213,918.72x = 60,065,519,300.28
  5. Step 5: Solve for x
    x = 60,065,519,300.28/213,918.72
  6. Step 6: Final answer
    x = 280,786.64

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.