Home / 258,252.30-356,286.13-149,336.60

Finding the Fourth Proportional to 258,252.30, 356,286.13 and 149,336.60

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Solution

The fourth proportional to 258,252.30, 356,286.13 and 149,336.60 is: 206,025.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,252.30 : 356,286.13 = 149,336.60 : x
  2. Step 2: Convert to fraction form
    258,252.30/356,286.13 = 149,336.60/x
  3. Step 3: Cross multiply
    258,252.30x = 356,286.13 × 149,336.60
  4. Step 4: Simplify right side
    258,252.30x = 53,206,557,126.59
  5. Step 5: Solve for x
    x = 53,206,557,126.59/258,252.30
  6. Step 6: Final answer
    x = 206,025.49

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1.5x scale

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.