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Finding the Fourth Proportional to 236,660, 355,041.84 and 88,916

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Solution

The fourth proportional to 236,660, 355,041.84 and 88,916 is: 133,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,660 : 355,041.84 = 88,916 : x
  2. Step 2: Convert to fraction form
    236,660/355,041.84 = 88,916/x
  3. Step 3: Cross multiply
    236,660x = 355,041.84 × 88,916
  4. Step 4: Simplify right side
    236,660x = 31,568,900,245.44
  5. Step 5: Solve for x
    x = 31,568,900,245.44/236,660
  6. Step 6: Final answer
    x = 133,393.48

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