Home / 277,680.20-416,520.30-100,214.60

Finding the Fourth Proportional to 277,680.20, 416,520.30 and 100,214.60

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Solution

The fourth proportional to 277,680.20, 416,520.30 and 100,214.60 is: 150,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,680.20 : 416,520.30 = 100,214.60 : x
  2. Step 2: Convert to fraction form
    277,680.20/416,520.30 = 100,214.60/x
  3. Step 3: Cross multiply
    277,680.20x = 416,520.30 × 100,214.60
  4. Step 4: Simplify right side
    277,680.20x = 41,741,415,256.38
  5. Step 5: Solve for x
    x = 41,741,415,256.38/277,680.20
  6. Step 6: Final answer
    x = 150,321.90

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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.