Home / 394,982.86-545,076.06-222,937.03

Finding the Fourth Proportional to 394,982.86, 545,076.06 and 222,937.03

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Solution

The fourth proportional to 394,982.86, 545,076.06 and 222,937.03 is: 307,652.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,982.86 : 545,076.06 = 222,937.03 : x
  2. Step 2: Convert to fraction form
    394,982.86/545,076.06 = 222,937.03/x
  3. Step 3: Cross multiply
    394,982.86x = 545,076.06 × 222,937.03
  4. Step 4: Simplify right side
    394,982.86x = 121,517,637,940.50
  5. Step 5: Solve for x
    x = 121,517,637,940.50/394,982.86
  6. Step 6: Final answer
    x = 307,652.94

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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.