Home / 325,844.40-488,766.60-219,556.20

Finding the Fourth Proportional to 325,844.40, 488,766.60 and 219,556.20

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Solution

The fourth proportional to 325,844.40, 488,766.60 and 219,556.20 is: 329,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,844.40 : 488,766.60 = 219,556.20 : x
  2. Step 2: Convert to fraction form
    325,844.40/488,766.60 = 219,556.20/x
  3. Step 3: Cross multiply
    325,844.40x = 488,766.60 × 219,556.20
  4. Step 4: Simplify right side
    325,844.40x = 107,311,737,382.92
  5. Step 5: Solve for x
    x = 107,311,737,382.92/325,844.40
  6. Step 6: Final answer
    x = 329,334.30

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1.5x scale

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.