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Finding the Fourth Proportional to 297,193.80, 445,790.70 and 110,166.60

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Solution

The fourth proportional to 297,193.80, 445,790.70 and 110,166.60 is: 165,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,193.80 : 445,790.70 = 110,166.60 : x
  2. Step 2: Convert to fraction form
    297,193.80/445,790.70 = 110,166.60/x
  3. Step 3: Cross multiply
    297,193.80x = 445,790.70 × 110,166.60
  4. Step 4: Simplify right side
    297,193.80x = 49,111,245,730.62
  5. Step 5: Solve for x
    x = 49,111,245,730.62/297,193.80
  6. Step 6: Final answer
    x = 165,249.90

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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.