Home / 422,238.44-633,399.15-122,721.50

Finding the Fourth Proportional to 422,238.44, 633,399.15 and 122,721.50

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Solution

The fourth proportional to 422,238.44, 633,399.15 and 122,721.50 is: 184,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,238.44 : 633,399.15 = 122,721.50 : x
  2. Step 2: Convert to fraction form
    422,238.44/633,399.15 = 122,721.50/x
  3. Step 3: Cross multiply
    422,238.44x = 633,399.15 × 122,721.50
  4. Step 4: Simplify right side
    422,238.44x = 77,731,693,786.73
  5. Step 5: Solve for x
    x = 77,731,693,786.73/422,238.44
  6. Step 6: Final answer
    x = 184,094.31

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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.