Home / 394,724.61-544,687.07-222,633.09

Finding the Fourth Proportional to 394,724.61, 544,687.07 and 222,633.09

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Solution

The fourth proportional to 394,724.61, 544,687.07 and 222,633.09 is: 307,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,724.61 : 544,687.07 = 222,633.09 : x
  2. Step 2: Convert to fraction form
    394,724.61/544,687.07 = 222,633.09/x
  3. Step 3: Cross multiply
    394,724.61x = 544,687.07 × 222,633.09
  4. Step 4: Simplify right side
    394,724.61x = 121,265,364,363.98
  5. Step 5: Solve for x
    x = 121,265,364,363.98/394,724.61
  6. Step 6: Final answer
    x = 307,215.11

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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.