Home / 286,820.92-395,766.30-159,493.24

Finding the Fourth Proportional to 286,820.92, 395,766.30 and 159,493.24

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Solution

The fourth proportional to 286,820.92, 395,766.30 and 159,493.24 is: 220,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,820.92 : 395,766.30 = 159,493.24 : x
  2. Step 2: Convert to fraction form
    286,820.92/395,766.30 = 159,493.24/x
  3. Step 3: Cross multiply
    286,820.92x = 395,766.30 × 159,493.24
  4. Step 4: Simplify right side
    286,820.92x = 63,122,049,469.81
  5. Step 5: Solve for x
    x = 63,122,049,469.81/286,820.92
  6. Step 6: Final answer
    x = 220,074.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.