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Finding the Fourth Proportional to 226,476.70, 339,715.05 and 121,500.70

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Solution

The fourth proportional to 226,476.70, 339,715.05 and 121,500.70 is: 182,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,476.70 : 339,715.05 = 121,500.70 : x
  2. Step 2: Convert to fraction form
    226,476.70/339,715.05 = 121,500.70/x
  3. Step 3: Cross multiply
    226,476.70x = 339,715.05 × 121,500.70
  4. Step 4: Simplify right side
    226,476.70x = 41,275,616,375.54
  5. Step 5: Solve for x
    x = 41,275,616,375.54/226,476.70
  6. Step 6: Final answer
    x = 182,251.05

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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.