Home / 217,685.26-326,466.06-84,537.10

Finding the Fourth Proportional to 217,685.26, 326,466.06 and 84,537.10

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Solution

The fourth proportional to 217,685.26, 326,466.06 and 84,537.10 is: 126,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,685.26 : 326,466.06 = 84,537.10 : x
  2. Step 2: Convert to fraction form
    217,685.26/326,466.06 = 84,537.10/x
  3. Step 3: Cross multiply
    217,685.26x = 326,466.06 × 84,537.10
  4. Step 4: Simplify right side
    217,685.26x = 27,598,493,960.83
  5. Step 5: Solve for x
    x = 27,598,493,960.83/217,685.26
  6. Step 6: Final answer
    x = 126,781.64

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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.