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Finding the Fourth Proportional to 308,650.77, 462,942.81 and 98,272.17

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Solution

The fourth proportional to 308,650.77, 462,942.81 and 98,272.17 is: 147,397.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,650.77 : 462,942.81 = 98,272.17 : x
  2. Step 2: Convert to fraction form
    308,650.77/462,942.81 = 98,272.17/x
  3. Step 3: Cross multiply
    308,650.77x = 462,942.81 × 98,272.17
  4. Step 4: Simplify right side
    308,650.77x = 45,494,394,524.60
  5. Step 5: Solve for x
    x = 45,494,394,524.60/308,650.77
  6. Step 6: Final answer
    x = 147,397.64

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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.