Home / 217,731.92-326,597.90-67,985.03

Finding the Fourth Proportional to 217,731.92, 326,597.90 and 67,985.03

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Solution

The fourth proportional to 217,731.92, 326,597.90 and 67,985.03 is: 101,977.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,731.92 : 326,597.90 = 67,985.03 : x
  2. Step 2: Convert to fraction form
    217,731.92/326,597.90 = 67,985.03/x
  3. Step 3: Cross multiply
    217,731.92x = 326,597.90 × 67,985.03
  4. Step 4: Simplify right side
    217,731.92x = 22,203,766,056.52
  5. Step 5: Solve for x
    x = 22,203,766,056.52/217,731.92
  6. Step 6: Final answer
    x = 101,977.54

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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.