Home / 217,928.06-326,944.78-75,752.81

Finding the Fourth Proportional to 217,928.06, 326,944.78 and 75,752.81

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Solution

The fourth proportional to 217,928.06, 326,944.78 and 75,752.81 is: 113,647.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,928.06 : 326,944.78 = 75,752.81 : x
  2. Step 2: Convert to fraction form
    217,928.06/326,944.78 = 75,752.81/x
  3. Step 3: Cross multiply
    217,928.06x = 326,944.78 × 75,752.81
  4. Step 4: Simplify right side
    217,928.06x = 24,766,983,975.73
  5. Step 5: Solve for x
    x = 24,766,983,975.73/217,928.06
  6. Step 6: Final answer
    x = 113,647.52

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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.