Home / 217,799.91-326,784.38-84,773.61

Finding the Fourth Proportional to 217,799.91, 326,784.38 and 84,773.61

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Solution

The fourth proportional to 217,799.91, 326,784.38 and 84,773.61 is: 127,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,799.91 : 326,784.38 = 84,773.61 : x
  2. Step 2: Convert to fraction form
    217,799.91/326,784.38 = 84,773.61/x
  3. Step 3: Cross multiply
    217,799.91x = 326,784.38 × 84,773.61
  4. Step 4: Simplify right side
    217,799.91x = 27,702,691,160.34
  5. Step 5: Solve for x
    x = 27,702,691,160.34/217,799.91
  6. Step 6: Final answer
    x = 127,193.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.