Home / 236,839.19-355,282.67-76,908.42

Finding the Fourth Proportional to 236,839.19, 355,282.67 and 76,908.42

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Solution

The fourth proportional to 236,839.19, 355,282.67 and 76,908.42 is: 115,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,839.19 : 355,282.67 = 76,908.42 : x
  2. Step 2: Convert to fraction form
    236,839.19/355,282.67 = 76,908.42/x
  3. Step 3: Cross multiply
    236,839.19x = 355,282.67 × 76,908.42
  4. Step 4: Simplify right side
    236,839.19x = 27,324,228,995.35
  5. Step 5: Solve for x
    x = 27,324,228,995.35/236,839.19
  6. Step 6: Final answer
    x = 115,370.39

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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.