Home / 217,593.48-300,284.46-122,107.80

Finding the Fourth Proportional to 217,593.48, 300,284.46 and 122,107.80

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Solution

The fourth proportional to 217,593.48, 300,284.46 and 122,107.80 is: 168,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,593.48 : 300,284.46 = 122,107.80 : x
  2. Step 2: Convert to fraction form
    217,593.48/300,284.46 = 122,107.80/x
  3. Step 3: Cross multiply
    217,593.48x = 300,284.46 × 122,107.80
  4. Step 4: Simplify right side
    217,593.48x = 36,667,074,784.79
  5. Step 5: Solve for x
    x = 36,667,074,784.79/217,593.48
  6. Step 6: Final answer
    x = 168,511.83

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1.5x scale

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.