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Finding the Fourth Proportional to 636,014.83, 954,007.27 and 156,241.88

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Solution

The fourth proportional to 636,014.83, 954,007.27 and 156,241.88 is: 234,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,014.83 : 954,007.27 = 156,241.88 : x
  2. Step 2: Convert to fraction form
    636,014.83/954,007.27 = 156,241.88/x
  3. Step 3: Cross multiply
    636,014.83x = 954,007.27 × 156,241.88
  4. Step 4: Simplify right side
    636,014.83x = 149,055,884,628.43
  5. Step 5: Solve for x
    x = 149,055,884,628.43/636,014.83
  6. Step 6: Final answer
    x = 234,359.14

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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.