Home / 329,728.20-494,080.74-228,723.48

Finding the Fourth Proportional to 329,728.20, 494,080.74 and 228,723.48

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Solution

The fourth proportional to 329,728.20, 494,080.74 and 228,723.48 is: 342,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,728.20 : 494,080.74 = 228,723.48 : x
  2. Step 2: Convert to fraction form
    329,728.20/494,080.74 = 228,723.48/x
  3. Step 3: Cross multiply
    329,728.20x = 494,080.74 × 228,723.48
  4. Step 4: Simplify right side
    329,728.20x = 113,007,866,253.78
  5. Step 5: Solve for x
    x = 113,007,866,253.78/329,728.20
  6. Step 6: Final answer
    x = 342,730.36

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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.