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Finding the Fourth Proportional to 297,330.84, 445,996.44 and 86,969.04

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Solution

The fourth proportional to 297,330.84, 445,996.44 and 86,969.04 is: 130,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,330.84 : 445,996.44 = 86,969.04 : x
  2. Step 2: Convert to fraction form
    297,330.84/445,996.44 = 86,969.04/x
  3. Step 3: Cross multiply
    297,330.84x = 445,996.44 × 86,969.04
  4. Step 4: Simplify right side
    297,330.84x = 38,787,882,230.22
  5. Step 5: Solve for x
    x = 38,787,882,230.22/297,330.84
  6. Step 6: Final answer
    x = 130,453.61

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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.