Home / 277,930.20-417,089.70-178,332.60

Finding the Fourth Proportional to 277,930.20, 417,089.70 and 178,332.60

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Solution

The fourth proportional to 277,930.20, 417,089.70 and 178,332.60 is: 267,623.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,930.20 : 417,089.70 = 178,332.60 : x
  2. Step 2: Convert to fraction form
    277,930.20/417,089.70 = 178,332.60/x
  3. Step 3: Cross multiply
    277,930.20x = 417,089.70 × 178,332.60
  4. Step 4: Simplify right side
    277,930.20x = 74,380,690,634.22
  5. Step 5: Solve for x
    x = 74,380,690,634.22/277,930.20
  6. Step 6: Final answer
    x = 267,623.64

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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.