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Finding the Fourth Proportional to 217,117.80, 325,523.10 and 83,946.60

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Solution

The fourth proportional to 217,117.80, 325,523.10 and 83,946.60 is: 125,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,117.80 : 325,523.10 = 83,946.60 : x
  2. Step 2: Convert to fraction form
    217,117.80/325,523.10 = 83,946.60/x
  3. Step 3: Cross multiply
    217,117.80x = 325,523.10 × 83,946.60
  4. Step 4: Simplify right side
    217,117.80x = 27,326,557,466.46
  5. Step 5: Solve for x
    x = 27,326,557,466.46/217,117.80
  6. Step 6: Final answer
    x = 125,860.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.