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Finding the Fourth Proportional to 226,272.71, 339,452.82 and 86,020.40

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Solution

The fourth proportional to 226,272.71, 339,452.82 and 86,020.40 is: 129,047.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,272.71 : 339,452.82 = 86,020.40 : x
  2. Step 2: Convert to fraction form
    226,272.71/339,452.82 = 86,020.40/x
  3. Step 3: Cross multiply
    226,272.71x = 339,452.82 × 86,020.40
  4. Step 4: Simplify right side
    226,272.71x = 29,199,865,660.26
  5. Step 5: Solve for x
    x = 29,199,865,660.26/226,272.71
  6. Step 6: Final answer
    x = 129,047.23

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1.5x scale

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.