Home / 206,582.70-309,874.05-173,121.60

Finding the Fourth Proportional to 206,582.70, 309,874.05 and 173,121.60

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Solution

The fourth proportional to 206,582.70, 309,874.05 and 173,121.60 is: 259,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,582.70 : 309,874.05 = 173,121.60 : x
  2. Step 2: Convert to fraction form
    206,582.70/309,874.05 = 173,121.60/x
  3. Step 3: Cross multiply
    206,582.70x = 309,874.05 × 173,121.60
  4. Step 4: Simplify right side
    206,582.70x = 53,645,891,334.48
  5. Step 5: Solve for x
    x = 53,645,891,334.48/206,582.70
  6. Step 6: Final answer
    x = 259,682.40

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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.