Home / 217,873.28-326,684.16-84,597.80

Finding the Fourth Proportional to 217,873.28, 326,684.16 and 84,597.80

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Solution

The fourth proportional to 217,873.28, 326,684.16 and 84,597.80 is: 126,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,873.28 : 326,684.16 = 84,597.80 : x
  2. Step 2: Convert to fraction form
    217,873.28/326,684.16 = 84,597.80/x
  3. Step 3: Cross multiply
    217,873.28x = 326,684.16 × 84,597.80
  4. Step 4: Simplify right side
    217,873.28x = 27,636,759,597.43
  5. Step 5: Solve for x
    x = 27,636,759,597.43/217,873.28
  6. Step 6: Final answer
    x = 126,847.86

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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.