Home / 325,974.38-449,846.28-190,102.55

Finding the Fourth Proportional to 325,974.38, 449,846.28 and 190,102.55

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Solution

The fourth proportional to 325,974.38, 449,846.28 and 190,102.55 is: 262,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,974.38 : 449,846.28 = 190,102.55 : x
  2. Step 2: Convert to fraction form
    325,974.38/449,846.28 = 190,102.55/x
  3. Step 3: Cross multiply
    325,974.38x = 449,846.28 × 190,102.55
  4. Step 4: Simplify right side
    325,974.38x = 85,516,922,686.78
  5. Step 5: Solve for x
    x = 85,516,922,686.78/325,974.38
  6. Step 6: Final answer
    x = 262,342.47

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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.