Home / 217,540.28-300,204.33-122,046.75

Finding the Fourth Proportional to 217,540.28, 300,204.33 and 122,046.75

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Solution

The fourth proportional to 217,540.28, 300,204.33 and 122,046.75 is: 168,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,540.28 : 300,204.33 = 122,046.75 : x
  2. Step 2: Convert to fraction form
    217,540.28/300,204.33 = 122,046.75/x
  3. Step 3: Cross multiply
    217,540.28x = 300,204.33 × 122,046.75
  4. Step 4: Simplify right side
    217,540.28x = 36,638,962,354.75
  5. Step 5: Solve for x
    x = 36,638,962,354.75/217,540.28
  6. Step 6: Final answer
    x = 168,423.81

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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.