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Finding the Fourth Proportional to 329,605.51, 494,244.68 and 104,936.69

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Solution

The fourth proportional to 329,605.51, 494,244.68 and 104,936.69 is: 157,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,605.51 : 494,244.68 = 104,936.69 : x
  2. Step 2: Convert to fraction form
    329,605.51/494,244.68 = 104,936.69/x
  3. Step 3: Cross multiply
    329,605.51x = 494,244.68 × 104,936.69
  4. Step 4: Simplify right side
    329,605.51x = 51,864,397,773.40
  5. Step 5: Solve for x
    x = 51,864,397,773.40/329,605.51
  6. Step 6: Final answer
    x = 157,352.95

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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.