Home / 381,827.25-526,932.54-212,072.31

Finding the Fourth Proportional to 381,827.25, 526,932.54 and 212,072.31

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Solution

The fourth proportional to 381,827.25, 526,932.54 and 212,072.31 is: 292,665.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,827.25 : 526,932.54 = 212,072.31 : x
  2. Step 2: Convert to fraction form
    381,827.25/526,932.54 = 212,072.31/x
  3. Step 3: Cross multiply
    381,827.25x = 526,932.54 × 212,072.31
  4. Step 4: Simplify right side
    381,827.25x = 111,747,800,971.97
  5. Step 5: Solve for x
    x = 111,747,800,971.97/381,827.25
  6. Step 6: Final answer
    x = 292,665.86

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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.