Home / 394,748.60-544,740.81-222,664.05

Finding the Fourth Proportional to 394,748.60, 544,740.81 and 222,664.05

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Solution

The fourth proportional to 394,748.60, 544,740.81 and 222,664.05 is: 307,269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,748.60 : 544,740.81 = 222,664.05 : x
  2. Step 2: Convert to fraction form
    394,748.60/544,740.81 = 222,664.05/x
  3. Step 3: Cross multiply
    394,748.60x = 544,740.81 × 222,664.05
  4. Step 4: Simplify right side
    394,748.60x = 121,294,195,199.05
  5. Step 5: Solve for x
    x = 121,294,195,199.05/394,748.60
  6. Step 6: Final answer
    x = 307,269.47

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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.