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Finding the Fourth Proportional to 329,403.75, 494,105.63 and 104,764.65

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Solution

The fourth proportional to 329,403.75, 494,105.63 and 104,764.65 is: 157,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,403.75 : 494,105.63 = 104,764.65 : x
  2. Step 2: Convert to fraction form
    329,403.75/494,105.63 = 104,764.65/x
  3. Step 3: Cross multiply
    329,403.75x = 494,105.63 × 104,764.65
  4. Step 4: Simplify right side
    329,403.75x = 51,764,802,866.16
  5. Step 5: Solve for x
    x = 51,764,802,866.16/329,403.75
  6. Step 6: Final answer
    x = 157,146.98

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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.