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Finding the Fourth Proportional to 217,452.52, 300,094.58 and 135,829.11

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Solution

The fourth proportional to 217,452.52, 300,094.58 and 135,829.11 is: 187,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,452.52 : 300,094.58 = 135,829.11 : x
  2. Step 2: Convert to fraction form
    217,452.52/300,094.58 = 135,829.11/x
  3. Step 3: Cross multiply
    217,452.52x = 300,094.58 × 135,829.11
  4. Step 4: Simplify right side
    217,452.52x = 40,761,579,717.22
  5. Step 5: Solve for x
    x = 40,761,579,717.22/217,452.52
  6. Step 6: Final answer
    x = 187,450.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.