Home / 219,848.80-329,117.10-206,872.60

Finding the Fourth Proportional to 219,848.80, 329,117.10 and 206,872.60

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Solution

The fourth proportional to 219,848.80, 329,117.10 and 206,872.60 is: 309,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,848.80 : 329,117.10 = 206,872.60 : x
  2. Step 2: Convert to fraction form
    219,848.80/329,117.10 = 206,872.60/x
  3. Step 3: Cross multiply
    219,848.80x = 329,117.10 × 206,872.60
  4. Step 4: Simplify right side
    219,848.80x = 68,085,310,181.46
  5. Step 5: Solve for x
    x = 68,085,310,181.46/219,848.80
  6. Step 6: Final answer
    x = 309,691.53

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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.