Home / 258,261.11-356,297.82-149,345.30

Finding the Fourth Proportional to 258,261.11, 356,297.82 and 149,345.30

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Solution

The fourth proportional to 258,261.11, 356,297.82 and 149,345.30 is: 206,037.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,261.11 : 356,297.82 = 149,345.30 : x
  2. Step 2: Convert to fraction form
    258,261.11/356,297.82 = 149,345.30/x
  3. Step 3: Cross multiply
    258,261.11x = 356,297.82 × 149,345.30
  4. Step 4: Simplify right side
    258,261.11x = 53,211,403,035.76
  5. Step 5: Solve for x
    x = 53,211,403,035.76/258,261.11
  6. Step 6: Final answer
    x = 206,037.23

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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.