Home / 217,928.31-326,945.16-75,753.06

Finding the Fourth Proportional to 217,928.31, 326,945.16 and 75,753.06

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Solution

The fourth proportional to 217,928.31, 326,945.16 and 75,753.06 is: 113,647.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,928.31 : 326,945.16 = 75,753.06 : x
  2. Step 2: Convert to fraction form
    217,928.31/326,945.16 = 75,753.06/x
  3. Step 3: Cross multiply
    217,928.31x = 326,945.16 × 75,753.06
  4. Step 4: Simplify right side
    217,928.31x = 24,767,094,308.70
  5. Step 5: Solve for x
    x = 24,767,094,308.70/217,928.31
  6. Step 6: Final answer
    x = 113,647.90

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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.