Home / 221,027.10-331,540.65-190,959.90

Finding the Fourth Proportional to 221,027.10, 331,540.65 and 190,959.90

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Solution

The fourth proportional to 221,027.10, 331,540.65 and 190,959.90 is: 286,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,027.10 : 331,540.65 = 190,959.90 : x
  2. Step 2: Convert to fraction form
    221,027.10/331,540.65 = 190,959.90/x
  3. Step 3: Cross multiply
    221,027.10x = 331,540.65 × 190,959.90
  4. Step 4: Simplify right side
    221,027.10x = 63,310,969,369.94
  5. Step 5: Solve for x
    x = 63,310,969,369.94/221,027.10
  6. Step 6: Final answer
    x = 286,439.85

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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.