Home / 303,142.14-454,309.24-143,260.54

Finding the Fourth Proportional to 303,142.14, 454,309.24 and 143,260.54

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Solution

The fourth proportional to 303,142.14, 454,309.24 and 143,260.54 is: 214,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,142.14 : 454,309.24 = 143,260.54 : x
  2. Step 2: Convert to fraction form
    303,142.14/454,309.24 = 143,260.54/x
  3. Step 3: Cross multiply
    303,142.14x = 454,309.24 × 143,260.54
  4. Step 4: Simplify right side
    303,142.14x = 65,084,587,049.39
  5. Step 5: Solve for x
    x = 65,084,587,049.39/303,142.14
  6. Step 6: Final answer
    x = 214,699.90

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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.