Home / 217,517.30-326,179.52-116,290.79

Finding the Fourth Proportional to 217,517.30, 326,179.52 and 116,290.79

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Solution

The fourth proportional to 217,517.30, 326,179.52 and 116,290.79 is: 174,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,517.30 : 326,179.52 = 116,290.79 : x
  2. Step 2: Convert to fraction form
    217,517.30/326,179.52 = 116,290.79/x
  3. Step 3: Cross multiply
    217,517.30x = 326,179.52 × 116,290.79
  4. Step 4: Simplify right side
    217,517.30x = 37,931,671,850.27
  5. Step 5: Solve for x
    x = 37,931,671,850.27/217,517.30
  6. Step 6: Final answer
    x = 174,384.62

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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.