Home / 217,749.92-326,318.54-173,178.86

Finding the Fourth Proportional to 217,749.92, 326,318.54 and 173,178.86

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Solution

The fourth proportional to 217,749.92, 326,318.54 and 173,178.86 is: 259,524.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,749.92 : 326,318.54 = 173,178.86 : x
  2. Step 2: Convert to fraction form
    217,749.92/326,318.54 = 173,178.86/x
  3. Step 3: Cross multiply
    217,749.92x = 326,318.54 × 173,178.86
  4. Step 4: Simplify right side
    217,749.92x = 56,511,472,754.06
  5. Step 5: Solve for x
    x = 56,511,472,754.06/217,749.92
  6. Step 6: Final answer
    x = 259,524.65

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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.