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Finding the Fourth Proportional to 226,379.68, 339,358.39 and 76,515.71

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Solution

The fourth proportional to 226,379.68, 339,358.39 and 76,515.71 is: 114,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,379.68 : 339,358.39 = 76,515.71 : x
  2. Step 2: Convert to fraction form
    226,379.68/339,358.39 = 76,515.71/x
  3. Step 3: Cross multiply
    226,379.68x = 339,358.39 × 76,515.71
  4. Step 4: Simplify right side
    226,379.68x = 25,966,248,155.31
  5. Step 5: Solve for x
    x = 25,966,248,155.31/226,379.68
  6. Step 6: Final answer
    x = 114,702.20

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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.