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Finding the Fourth Proportional to 297,318.33, 445,973.58 and 72,680.73

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Solution

The fourth proportional to 297,318.33, 445,973.58 and 72,680.73 is: 109,020.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,318.33 : 445,973.58 = 72,680.73 : x
  2. Step 2: Convert to fraction form
    297,318.33/445,973.58 = 72,680.73/x
  3. Step 3: Cross multiply
    297,318.33x = 445,973.58 × 72,680.73
  4. Step 4: Simplify right side
    297,318.33x = 32,413,685,355.11
  5. Step 5: Solve for x
    x = 32,413,685,355.11/297,318.33
  6. Step 6: Final answer
    x = 109,020.14

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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.