Home / 331,253.65-456,977.19-195,194.71

Finding the Fourth Proportional to 331,253.65, 456,977.19 and 195,194.71

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Solution

The fourth proportional to 331,253.65, 456,977.19 and 195,194.71 is: 269,278.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,253.65 : 456,977.19 = 195,194.71 : x
  2. Step 2: Convert to fraction form
    331,253.65/456,977.19 = 195,194.71/x
  3. Step 3: Cross multiply
    331,253.65x = 456,977.19 × 195,194.71
  4. Step 4: Simplify right side
    331,253.65x = 89,199,530,078.66
  5. Step 5: Solve for x
    x = 89,199,530,078.66/331,253.65
  6. Step 6: Final answer
    x = 269,278.63

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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.