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Finding the Fourth Proportional to 297,137.82, 445,659.11 and 94,707.62

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Solution

The fourth proportional to 297,137.82, 445,659.11 and 94,707.62 is: 142,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,137.82 : 445,659.11 = 94,707.62 : x
  2. Step 2: Convert to fraction form
    297,137.82/445,659.11 = 94,707.62/x
  3. Step 3: Cross multiply
    297,137.82x = 445,659.11 × 94,707.62
  4. Step 4: Simplify right side
    297,137.82x = 42,207,313,639.42
  5. Step 5: Solve for x
    x = 42,207,313,639.42/297,137.82
  6. Step 6: Final answer
    x = 142,046.25

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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.