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Finding the Fourth Proportional to 252,666, 379,097.55 and 94,906.89

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Solution

The fourth proportional to 252,666, 379,097.55 and 94,906.89 is: 142,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,666 : 379,097.55 = 94,906.89 : x
  2. Step 2: Convert to fraction form
    252,666/379,097.55 = 94,906.89/x
  3. Step 3: Cross multiply
    252,666x = 379,097.55 × 94,906.89
  4. Step 4: Simplify right side
    252,666x = 35,978,969,477.12
  5. Step 5: Solve for x
    x = 35,978,969,477.12/252,666
  6. Step 6: Final answer
    x = 142,397.35

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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.