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Finding the Fourth Proportional to 329,920.89, 494,918.23 and 93,282.02

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Solution

The fourth proportional to 329,920.89, 494,918.23 and 93,282.02 is: 139,933.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,920.89 : 494,918.23 = 93,282.02 : x
  2. Step 2: Convert to fraction form
    329,920.89/494,918.23 = 93,282.02/x
  3. Step 3: Cross multiply
    329,920.89x = 494,918.23 × 93,282.02
  4. Step 4: Simplify right side
    329,920.89x = 46,166,972,229.22
  5. Step 5: Solve for x
    x = 46,166,972,229.22/329,920.89
  6. Step 6: Final answer
    x = 139,933.46

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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.