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Finding the Fourth Proportional to 262,993.53, 362,842.43 and 149,736.09

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Solution

The fourth proportional to 262,993.53, 362,842.43 and 149,736.09 is: 206,585.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,993.53 : 362,842.43 = 149,736.09 : x
  2. Step 2: Convert to fraction form
    262,993.53/362,842.43 = 149,736.09/x
  3. Step 3: Cross multiply
    262,993.53x = 362,842.43 × 149,736.09
  4. Step 4: Simplify right side
    262,993.53x = 54,330,606,005.62
  5. Step 5: Solve for x
    x = 54,330,606,005.62/262,993.53
  6. Step 6: Final answer
    x = 206,585.33

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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.