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Finding the Fourth Proportional to 636,489.56, 954,663.06 and 163,186.04

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Solution

The fourth proportional to 636,489.56, 954,663.06 and 163,186.04 is: 244,760.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,489.56 : 954,663.06 = 163,186.04 : x
  2. Step 2: Convert to fraction form
    636,489.56/954,663.06 = 163,186.04/x
  3. Step 3: Cross multiply
    636,489.56x = 954,663.06 × 163,186.04
  4. Step 4: Simplify right side
    636,489.56x = 155,787,684,295.68
  5. Step 5: Solve for x
    x = 155,787,684,295.68/636,489.56
  6. Step 6: Final answer
    x = 244,760.78

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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.