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Finding the Fourth Proportional to 445,363.27, 668,035.17 and 108,405.70

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Solution

The fourth proportional to 445,363.27, 668,035.17 and 108,405.70 is: 162,606.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,363.27 : 668,035.17 = 108,405.70 : x
  2. Step 2: Convert to fraction form
    445,363.27/668,035.17 = 108,405.70/x
  3. Step 3: Cross multiply
    445,363.27x = 668,035.17 × 108,405.70
  4. Step 4: Simplify right side
    445,363.27x = 72,418,818,558.38
  5. Step 5: Solve for x
    x = 72,418,818,558.38/445,363.27
  6. Step 6: Final answer
    x = 162,606.18

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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.