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Finding the Fourth Proportional to 230,297.49, 345,549.92 and 124,958.61

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Solution

The fourth proportional to 230,297.49, 345,549.92 and 124,958.61 is: 187,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,297.49 : 345,549.92 = 124,958.61 : x
  2. Step 2: Convert to fraction form
    230,297.49/345,549.92 = 124,958.61/x
  3. Step 3: Cross multiply
    230,297.49x = 345,549.92 × 124,958.61
  4. Step 4: Simplify right side
    230,297.49x = 43,179,437,064.02
  5. Step 5: Solve for x
    x = 43,179,437,064.02/230,297.49
  6. Step 6: Final answer
    x = 187,494.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.