Home / 394,730.02-544,694.52-222,638.50

Finding the Fourth Proportional to 394,730.02, 544,694.52 and 222,638.50

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Solution

The fourth proportional to 394,730.02, 544,694.52 and 222,638.50 is: 307,222.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,730.02 : 544,694.52 = 222,638.50 : x
  2. Step 2: Convert to fraction form
    394,730.02/544,694.52 = 222,638.50/x
  3. Step 3: Cross multiply
    394,730.02x = 544,694.52 × 222,638.50
  4. Step 4: Simplify right side
    394,730.02x = 121,269,970,891.02
  5. Step 5: Solve for x
    x = 121,269,970,891.02/394,730.02
  6. Step 6: Final answer
    x = 307,222.57

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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.