Home / 215,824.20-323,736.30-122,512.20

Finding the Fourth Proportional to 215,824.20, 323,736.30 and 122,512.20

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Solution

The fourth proportional to 215,824.20, 323,736.30 and 122,512.20 is: 183,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,824.20 : 323,736.30 = 122,512.20 : x
  2. Step 2: Convert to fraction form
    215,824.20/323,736.30 = 122,512.20/x
  3. Step 3: Cross multiply
    215,824.20x = 323,736.30 × 122,512.20
  4. Step 4: Simplify right side
    215,824.20x = 39,661,646,332.86
  5. Step 5: Solve for x
    x = 39,661,646,332.86/215,824.20
  6. Step 6: Final answer
    x = 183,768.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.