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Finding the Fourth Proportional to 444,591.96, 666,889.53 and 107,631.96

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Solution

The fourth proportional to 444,591.96, 666,889.53 and 107,631.96 is: 161,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,591.96 : 666,889.53 = 107,631.96 : x
  2. Step 2: Convert to fraction form
    444,591.96/666,889.53 = 107,631.96/x
  3. Step 3: Cross multiply
    444,591.96x = 666,889.53 × 107,631.96
  4. Step 4: Simplify right side
    444,591.96x = 71,778,627,217.38
  5. Step 5: Solve for x
    x = 71,778,627,217.38/444,591.96
  6. Step 6: Final answer
    x = 161,448.32

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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.