Home / 226,139.08-338,809.46-137,212

Finding the Fourth Proportional to 226,139.08, 338,809.46 and 137,212

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Solution

The fourth proportional to 226,139.08, 338,809.46 and 137,212 is: 205,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,139.08 : 338,809.46 = 137,212 : x
  2. Step 2: Convert to fraction form
    226,139.08/338,809.46 = 137,212/x
  3. Step 3: Cross multiply
    226,139.08x = 338,809.46 × 137,212
  4. Step 4: Simplify right side
    226,139.08x = 46,488,723,625.52
  5. Step 5: Solve for x
    x = 46,488,723,625.52/226,139.08
  6. Step 6: Final answer
    x = 205,575.81

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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.