Home / 298,154.88-447,310.08-111,168

Finding the Fourth Proportional to 298,154.88, 447,310.08 and 111,168

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Solution

The fourth proportional to 298,154.88, 447,310.08 and 111,168 is: 166,780.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,154.88 : 447,310.08 = 111,168 : x
  2. Step 2: Convert to fraction form
    298,154.88/447,310.08 = 111,168/x
  3. Step 3: Cross multiply
    298,154.88x = 447,310.08 × 111,168
  4. Step 4: Simplify right side
    298,154.88x = 49,726,566,973.44
  5. Step 5: Solve for x
    x = 49,726,566,973.44/298,154.88
  6. Step 6: Final answer
    x = 166,780.99

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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.