Home / 312,028.68-467,618.78-131,964.36

Finding the Fourth Proportional to 312,028.68, 467,618.78 and 131,964.36

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Solution

The fourth proportional to 312,028.68, 467,618.78 and 131,964.36 is: 197,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,028.68 : 467,618.78 = 131,964.36 : x
  2. Step 2: Convert to fraction form
    312,028.68/467,618.78 = 131,964.36/x
  3. Step 3: Cross multiply
    312,028.68x = 467,618.78 × 131,964.36
  4. Step 4: Simplify right side
    312,028.68x = 61,709,013,026.68
  5. Step 5: Solve for x
    x = 61,709,013,026.68/312,028.68
  6. Step 6: Final answer
    x = 197,767.12

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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.