Home / 217,431.27-326,197.26-67,663.62

Finding the Fourth Proportional to 217,431.27, 326,197.26 and 67,663.62

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Solution

The fourth proportional to 217,431.27, 326,197.26 and 67,663.62 is: 101,511.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,431.27 : 326,197.26 = 67,663.62 : x
  2. Step 2: Convert to fraction form
    217,431.27/326,197.26 = 67,663.62/x
  3. Step 3: Cross multiply
    217,431.27x = 326,197.26 × 67,663.62
  4. Step 4: Simplify right side
    217,431.27x = 22,071,687,445.68
  5. Step 5: Solve for x
    x = 22,071,687,445.68/217,431.27
  6. Step 6: Final answer
    x = 101,511.10

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1.5x scale

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.