Home / 226,227.76-312,198.06-124,262.64

Finding the Fourth Proportional to 226,227.76, 312,198.06 and 124,262.64

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Solution

The fourth proportional to 226,227.76, 312,198.06 and 124,262.64 is: 171,484.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,227.76 : 312,198.06 = 124,262.64 : x
  2. Step 2: Convert to fraction form
    226,227.76/312,198.06 = 124,262.64/x
  3. Step 3: Cross multiply
    226,227.76x = 312,198.06 × 124,262.64
  4. Step 4: Simplify right side
    226,227.76x = 38,794,555,138.48
  5. Step 5: Solve for x
    x = 38,794,555,138.48/226,227.76
  6. Step 6: Final answer
    x = 171,484.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.