Home / 505,822.78-758,785.24-164,251.92

Finding the Fourth Proportional to 505,822.78, 758,785.24 and 164,251.92

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Solution

The fourth proportional to 505,822.78, 758,785.24 and 164,251.92 is: 246,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,822.78 : 758,785.24 = 164,251.92 : x
  2. Step 2: Convert to fraction form
    505,822.78/758,785.24 = 164,251.92/x
  3. Step 3: Cross multiply
    505,822.78x = 758,785.24 × 164,251.92
  4. Step 4: Simplify right side
    505,822.78x = 124,631,932,537.66
  5. Step 5: Solve for x
    x = 124,631,932,537.66/505,822.78
  6. Step 6: Final answer
    x = 246,394.46

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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.