Home / 348,979.91-481,469.63-228,191.90

Finding the Fourth Proportional to 348,979.91, 481,469.63 and 228,191.90

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Solution

The fourth proportional to 348,979.91, 481,469.63 and 228,191.90 is: 314,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,979.91 : 481,469.63 = 228,191.90 : x
  2. Step 2: Convert to fraction form
    348,979.91/481,469.63 = 228,191.90/x
  3. Step 3: Cross multiply
    348,979.91x = 481,469.63 × 228,191.90
  4. Step 4: Simplify right side
    348,979.91x = 109,867,469,662.00
  5. Step 5: Solve for x
    x = 109,867,469,662.00/348,979.91
  6. Step 6: Final answer
    x = 314,824.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.