Home / 338,868.12-467,639.82-187,965.12

Finding the Fourth Proportional to 338,868.12, 467,639.82 and 187,965.12

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Solution

The fourth proportional to 338,868.12, 467,639.82 and 187,965.12 is: 259,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,868.12 : 467,639.82 = 187,965.12 : x
  2. Step 2: Convert to fraction form
    338,868.12/467,639.82 = 187,965.12/x
  3. Step 3: Cross multiply
    338,868.12x = 467,639.82 × 187,965.12
  4. Step 4: Simplify right side
    338,868.12x = 87,899,974,883.08
  5. Step 5: Solve for x
    x = 87,899,974,883.08/338,868.12
  6. Step 6: Final answer
    x = 259,392.87

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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.