Home / 235,074.25-324,540.91-143,228.18

Finding the Fourth Proportional to 235,074.25, 324,540.91 and 143,228.18

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Solution

The fourth proportional to 235,074.25, 324,540.91 and 143,228.18 is: 197,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,074.25 : 324,540.91 = 143,228.18 : x
  2. Step 2: Convert to fraction form
    235,074.25/324,540.91 = 143,228.18/x
  3. Step 3: Cross multiply
    235,074.25x = 324,540.91 × 143,228.18
  4. Step 4: Simplify right side
    235,074.25x = 46,483,404,865.23
  5. Step 5: Solve for x
    x = 46,483,404,865.23/235,074.25
  6. Step 6: Final answer
    x = 197,739.24

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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.