Home / 258,629.26-356,908.42-145,452

Finding the Fourth Proportional to 258,629.26, 356,908.42 and 145,452

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Solution

The fourth proportional to 258,629.26, 356,908.42 and 145,452 is: 200,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,629.26 : 356,908.42 = 145,452 : x
  2. Step 2: Convert to fraction form
    258,629.26/356,908.42 = 145,452/x
  3. Step 3: Cross multiply
    258,629.26x = 356,908.42 × 145,452
  4. Step 4: Simplify right side
    258,629.26x = 51,913,043,505.84
  5. Step 5: Solve for x
    x = 51,913,043,505.84/258,629.26
  6. Step 6: Final answer
    x = 200,723.78

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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.