Home / 277,786.20-416,679.30-90,816.60

Finding the Fourth Proportional to 277,786.20, 416,679.30 and 90,816.60

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Solution

The fourth proportional to 277,786.20, 416,679.30 and 90,816.60 is: 136,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,786.20 : 416,679.30 = 90,816.60 : x
  2. Step 2: Convert to fraction form
    277,786.20/416,679.30 = 90,816.60/x
  3. Step 3: Cross multiply
    277,786.20x = 416,679.30 × 90,816.60
  4. Step 4: Simplify right side
    277,786.20x = 37,841,397,316.38
  5. Step 5: Solve for x
    x = 37,841,397,316.38/277,786.20
  6. Step 6: Final answer
    x = 136,224.90

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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.