Home / 236,578.20-355,003.38-131,388.36

Finding the Fourth Proportional to 236,578.20, 355,003.38 and 131,388.36

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Solution

The fourth proportional to 236,578.20, 355,003.38 and 131,388.36 is: 197,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,578.20 : 355,003.38 = 131,388.36 : x
  2. Step 2: Convert to fraction form
    236,578.20/355,003.38 = 131,388.36/x
  3. Step 3: Cross multiply
    236,578.20x = 355,003.38 × 131,388.36
  4. Step 4: Simplify right side
    236,578.20x = 46,643,311,892.66
  5. Step 5: Solve for x
    x = 46,643,311,892.66/236,578.20
  6. Step 6: Final answer
    x = 197,158.11

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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.