Home / 226,519.29-339,733.58-215,278.65

Finding the Fourth Proportional to 226,519.29, 339,733.58 and 215,278.65

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Solution

The fourth proportional to 226,519.29, 339,733.58 and 215,278.65 is: 322,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,519.29 : 339,733.58 = 215,278.65 : x
  2. Step 2: Convert to fraction form
    226,519.29/339,733.58 = 215,278.65/x
  3. Step 3: Cross multiply
    226,519.29x = 339,733.58 × 215,278.65
  4. Step 4: Simplify right side
    226,519.29x = 73,137,385,385.67
  5. Step 5: Solve for x
    x = 73,137,385,385.67/226,519.29
  6. Step 6: Final answer
    x = 322,874.87

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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.