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Finding the Fourth Proportional to 222,802.74, 334,215.09 and 82,528.56

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Solution

The fourth proportional to 222,802.74, 334,215.09 and 82,528.56 is: 123,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,802.74 : 334,215.09 = 82,528.56 : x
  2. Step 2: Convert to fraction form
    222,802.74/334,215.09 = 82,528.56/x
  3. Step 3: Cross multiply
    222,802.74x = 334,215.09 × 82,528.56
  4. Step 4: Simplify right side
    222,802.74x = 27,582,290,107.97
  5. Step 5: Solve for x
    x = 27,582,290,107.97/222,802.74
  6. Step 6: Final answer
    x = 123,796.91

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1.5x scale

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.