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Finding the Fourth Proportional to 329,406.45, 494,104.50 and 104,763.66

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Solution

The fourth proportional to 329,406.45, 494,104.50 and 104,763.66 is: 157,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,406.45 : 494,104.50 = 104,763.66 : x
  2. Step 2: Convert to fraction form
    329,406.45/494,104.50 = 104,763.66/x
  3. Step 3: Cross multiply
    329,406.45x = 494,104.50 × 104,763.66
  4. Step 4: Simplify right side
    329,406.45x = 51,764,195,842.47
  5. Step 5: Solve for x
    x = 51,764,195,842.47/329,406.45
  6. Step 6: Final answer
    x = 157,143.84

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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.