Home / 379,110.58-568,664.25-154,420.90

Finding the Fourth Proportional to 379,110.58, 568,664.25 and 154,420.90

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Solution

The fourth proportional to 379,110.58, 568,664.25 and 154,420.90 is: 231,630.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,110.58 : 568,664.25 = 154,420.90 : x
  2. Step 2: Convert to fraction form
    379,110.58/568,664.25 = 154,420.90/x
  3. Step 3: Cross multiply
    379,110.58x = 568,664.25 × 154,420.90
  4. Step 4: Simplify right side
    379,110.58x = 87,813,645,282.83
  5. Step 5: Solve for x
    x = 87,813,645,282.83/379,110.58
  6. Step 6: Final answer
    x = 231,630.69

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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.