Home / 258,616.27-356,884.85-149,725.20

Finding the Fourth Proportional to 258,616.27, 356,884.85 and 149,725.20

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Solution

The fourth proportional to 258,616.27, 356,884.85 and 149,725.20 is: 206,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,616.27 : 356,884.85 = 149,725.20 : x
  2. Step 2: Convert to fraction form
    258,616.27/356,884.85 = 149,725.20/x
  3. Step 3: Cross multiply
    258,616.27x = 356,884.85 × 149,725.20
  4. Step 4: Simplify right side
    258,616.27x = 53,434,655,248.37
  5. Step 5: Solve for x
    x = 53,434,655,248.37/258,616.27
  6. Step 6: Final answer
    x = 206,617.53

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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.