Home / 238,286.45-328,836.40-136,313.03

Finding the Fourth Proportional to 238,286.45, 328,836.40 and 136,313.03

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Solution

The fourth proportional to 238,286.45, 328,836.40 and 136,313.03 is: 188,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,286.45 : 328,836.40 = 136,313.03 : x
  2. Step 2: Convert to fraction form
    238,286.45/328,836.40 = 136,313.03/x
  3. Step 3: Cross multiply
    238,286.45x = 328,836.40 × 136,313.03
  4. Step 4: Simplify right side
    238,286.45x = 44,824,684,073.33
  5. Step 5: Solve for x
    x = 44,824,684,073.33/238,286.45
  6. Step 6: Final answer
    x = 188,112.61

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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.