Home / 219,660.20-329,231.10-164,191.40

Finding the Fourth Proportional to 219,660.20, 329,231.10 and 164,191.40

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Solution

The fourth proportional to 219,660.20, 329,231.10 and 164,191.40 is: 246,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,660.20 : 329,231.10 = 164,191.40 : x
  2. Step 2: Convert to fraction form
    219,660.20/329,231.10 = 164,191.40/x
  3. Step 3: Cross multiply
    219,660.20x = 329,231.10 × 164,191.40
  4. Step 4: Simplify right side
    219,660.20x = 54,056,915,232.54
  5. Step 5: Solve for x
    x = 54,056,915,232.54/219,660.20
  6. Step 6: Final answer
    x = 246,093.35

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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.