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Finding the Fourth Proportional to 444,397.96, 666,581.94 and 178,086.96

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Solution

The fourth proportional to 444,397.96, 666,581.94 and 178,086.96 is: 267,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,397.96 : 666,581.94 = 178,086.96 : x
  2. Step 2: Convert to fraction form
    444,397.96/666,581.94 = 178,086.96/x
  3. Step 3: Cross multiply
    444,397.96x = 666,581.94 × 178,086.96
  4. Step 4: Simplify right side
    444,397.96x = 118,709,551,285.50
  5. Step 5: Solve for x
    x = 118,709,551,285.50/444,397.96
  6. Step 6: Final answer
    x = 267,124.43

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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.