Home / 203,049.06-304,240.68-143,778.33

Finding the Fourth Proportional to 203,049.06, 304,240.68 and 143,778.33

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Solution

The fourth proportional to 203,049.06, 304,240.68 and 143,778.33 is: 215,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,049.06 : 304,240.68 = 143,778.33 : x
  2. Step 2: Convert to fraction form
    203,049.06/304,240.68 = 143,778.33/x
  3. Step 3: Cross multiply
    203,049.06x = 304,240.68 × 143,778.33
  4. Step 4: Simplify right side
    203,049.06x = 43,743,216,888.46
  5. Step 5: Solve for x
    x = 43,743,216,888.46/203,049.06
  6. Step 6: Final answer
    x = 215,431.76

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1.5x scale

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.