Home / 394,927.54-544,998.37-213,639.03

Finding the Fourth Proportional to 394,927.54, 544,998.37 and 213,639.03

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Solution

The fourth proportional to 394,927.54, 544,998.37 and 213,639.03 is: 294,820.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,927.54 : 544,998.37 = 213,639.03 : x
  2. Step 2: Convert to fraction form
    394,927.54/544,998.37 = 213,639.03/x
  3. Step 3: Cross multiply
    394,927.54x = 544,998.37 × 213,639.03
  4. Step 4: Simplify right side
    394,927.54x = 116,432,919,325.19
  5. Step 5: Solve for x
    x = 116,432,919,325.19/394,927.54
  6. Step 6: Final answer
    x = 294,820.97

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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.