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Finding the Fourth Proportional to 325,398.49, 449,007.73 and 182,158.65

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Solution

The fourth proportional to 325,398.49, 449,007.73 and 182,158.65 is: 251,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,398.49 : 449,007.73 = 182,158.65 : x
  2. Step 2: Convert to fraction form
    325,398.49/449,007.73 = 182,158.65/x
  3. Step 3: Cross multiply
    325,398.49x = 449,007.73 × 182,158.65
  4. Step 4: Simplify right side
    325,398.49x = 81,790,640,730.45
  5. Step 5: Solve for x
    x = 81,790,640,730.45/325,398.49
  6. Step 6: Final answer
    x = 251,355.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.