Home / 277,932.20-417,092.70-178,334.60

Finding the Fourth Proportional to 277,932.20, 417,092.70 and 178,334.60

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Solution

The fourth proportional to 277,932.20, 417,092.70 and 178,334.60 is: 267,626.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,932.20 : 417,092.70 = 178,334.60 : x
  2. Step 2: Convert to fraction form
    277,932.20/417,092.70 = 178,334.60/x
  3. Step 3: Cross multiply
    277,932.20x = 417,092.70 × 178,334.60
  4. Step 4: Simplify right side
    277,932.20x = 74,382,059,817.42
  5. Step 5: Solve for x
    x = 74,382,059,817.42/277,932.20
  6. Step 6: Final answer
    x = 267,626.64

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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.