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Finding the Fourth Proportional to 252,354.22, 348,273.21 and 188,581.30

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Solution

The fourth proportional to 252,354.22, 348,273.21 and 188,581.30 is: 260,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,354.22 : 348,273.21 = 188,581.30 : x
  2. Step 2: Convert to fraction form
    252,354.22/348,273.21 = 188,581.30/x
  3. Step 3: Cross multiply
    252,354.22x = 348,273.21 × 188,581.30
  4. Step 4: Simplify right side
    252,354.22x = 65,677,814,696.97
  5. Step 5: Solve for x
    x = 65,677,814,696.97/252,354.22
  6. Step 6: Final answer
    x = 260,260.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.