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Finding the Fourth Proportional to 235,007.25, 324,310.41 and 134,405.25

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Solution

The fourth proportional to 235,007.25, 324,310.41 and 134,405.25 is: 185,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,007.25 : 324,310.41 = 134,405.25 : x
  2. Step 2: Convert to fraction form
    235,007.25/324,310.41 = 134,405.25/x
  3. Step 3: Cross multiply
    235,007.25x = 324,310.41 × 134,405.25
  4. Step 4: Simplify right side
    235,007.25x = 43,589,021,733.65
  5. Step 5: Solve for x
    x = 43,589,021,733.65/235,007.25
  6. Step 6: Final answer
    x = 185,479.48

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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.