Home / 394,269.39-544,091.94-212,981.31

Finding the Fourth Proportional to 394,269.39, 544,091.94 and 212,981.31

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Solution

The fourth proportional to 394,269.39, 544,091.94 and 212,981.31 is: 293,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,269.39 : 544,091.94 = 212,981.31 : x
  2. Step 2: Convert to fraction form
    394,269.39/544,091.94 = 212,981.31/x
  3. Step 3: Cross multiply
    394,269.39x = 544,091.94 × 212,981.31
  4. Step 4: Simplify right side
    394,269.39x = 115,881,414,141.64
  5. Step 5: Solve for x
    x = 115,881,414,141.64/394,269.39
  6. Step 6: Final answer
    x = 293,914.31

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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.