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Finding the Fourth Proportional to 308,770.41, 462,768.06 and 166,609.94

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Solution

The fourth proportional to 308,770.41, 462,768.06 and 166,609.94 is: 249,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,770.41 : 462,768.06 = 166,609.94 : x
  2. Step 2: Convert to fraction form
    308,770.41/462,768.06 = 166,609.94/x
  3. Step 3: Cross multiply
    308,770.41x = 462,768.06 × 166,609.94
  4. Step 4: Simplify right side
    308,770.41x = 77,101,758,710.52
  5. Step 5: Solve for x
    x = 77,101,758,710.52/308,770.41
  6. Step 6: Final answer
    x = 249,705.79

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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.