Home / 226,896.19-340,384.82-77,128.61

Finding the Fourth Proportional to 226,896.19, 340,384.82 and 77,128.61

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Solution

The fourth proportional to 226,896.19, 340,384.82 and 77,128.61 is: 115,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,896.19 : 340,384.82 = 77,128.61 : x
  2. Step 2: Convert to fraction form
    226,896.19/340,384.82 = 77,128.61/x
  3. Step 3: Cross multiply
    226,896.19x = 340,384.82 × 77,128.61
  4. Step 4: Simplify right side
    226,896.19x = 26,253,405,944.13
  5. Step 5: Solve for x
    x = 26,253,405,944.13/226,896.19
  6. Step 6: Final answer
    x = 115,706.69

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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.