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Finding the Fourth Proportional to 441,606.96, 662,432.04 and 126,110.88

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Solution

The fourth proportional to 441,606.96, 662,432.04 and 126,110.88 is: 189,172.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,606.96 : 662,432.04 = 126,110.88 : x
  2. Step 2: Convert to fraction form
    441,606.96/662,432.04 = 126,110.88/x
  3. Step 3: Cross multiply
    441,606.96x = 662,432.04 × 126,110.88
  4. Step 4: Simplify right side
    441,606.96x = 83,539,887,504.60
  5. Step 5: Solve for x
    x = 83,539,887,504.60/441,606.96
  6. Step 6: Final answer
    x = 189,172.49

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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.