Home / 209,212.22-313,815.60-51,442.04

Finding the Fourth Proportional to 209,212.22, 313,815.60 and 51,442.04

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Solution

The fourth proportional to 209,212.22, 313,815.60 and 51,442.04 is: 77,162.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,212.22 : 313,815.60 = 51,442.04 : x
  2. Step 2: Convert to fraction form
    209,212.22/313,815.60 = 51,442.04/x
  3. Step 3: Cross multiply
    209,212.22x = 313,815.60 × 51,442.04
  4. Step 4: Simplify right side
    209,212.22x = 16,143,315,432.36
  5. Step 5: Solve for x
    x = 16,143,315,432.36/209,212.22
  6. Step 6: Final answer
    x = 77,162.39

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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.