Home / 226,148.25-339,377.91-78,404.25

Finding the Fourth Proportional to 226,148.25, 339,377.91 and 78,404.25

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Solution

The fourth proportional to 226,148.25, 339,377.91 and 78,404.25 is: 117,660.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,148.25 : 339,377.91 = 78,404.25 : x
  2. Step 2: Convert to fraction form
    226,148.25/339,377.91 = 78,404.25/x
  3. Step 3: Cross multiply
    226,148.25x = 339,377.91 × 78,404.25
  4. Step 4: Simplify right side
    226,148.25x = 26,608,670,500.12
  5. Step 5: Solve for x
    x = 26,608,670,500.12/226,148.25
  6. Step 6: Final answer
    x = 117,660.30

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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.