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Finding the Fourth Proportional to 277,941.60, 416,912.40 and 100,504.80

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Solution

The fourth proportional to 277,941.60, 416,912.40 and 100,504.80 is: 150,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,941.60 : 416,912.40 = 100,504.80 : x
  2. Step 2: Convert to fraction form
    277,941.60/416,912.40 = 100,504.80/x
  3. Step 3: Cross multiply
    277,941.60x = 416,912.40 × 100,504.80
  4. Step 4: Simplify right side
    277,941.60x = 41,901,697,379.52
  5. Step 5: Solve for x
    x = 41,901,697,379.52/277,941.60
  6. Step 6: Final answer
    x = 150,757.20

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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.