Home / 307,218.33-461,034.95-107,540.37

Finding the Fourth Proportional to 307,218.33, 461,034.95 and 107,540.37

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Solution

The fourth proportional to 307,218.33, 461,034.95 and 107,540.37 is: 161,383.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,218.33 : 461,034.95 = 107,540.37 : x
  2. Step 2: Convert to fraction form
    307,218.33/461,034.95 = 107,540.37/x
  3. Step 3: Cross multiply
    307,218.33x = 461,034.95 × 107,540.37
  4. Step 4: Simplify right side
    307,218.33x = 49,579,869,105.93
  5. Step 5: Solve for x
    x = 49,579,869,105.93/307,218.33
  6. Step 6: Final answer
    x = 161,383.17

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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.