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Finding the Fourth Proportional to 308,274.70, 462,401.63 and 108,589.87

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Solution

The fourth proportional to 308,274.70, 462,401.63 and 108,589.87 is: 162,881.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,274.70 : 462,401.63 = 108,589.87 : x
  2. Step 2: Convert to fraction form
    308,274.70/462,401.63 = 108,589.87/x
  3. Step 3: Cross multiply
    308,274.70x = 462,401.63 × 108,589.87
  4. Step 4: Simplify right side
    308,274.70x = 50,212,131,190.53
  5. Step 5: Solve for x
    x = 50,212,131,190.53/308,274.70
  6. Step 6: Final answer
    x = 162,881.13

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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.