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Finding the Fourth Proportional to 341,203.54, 511,786.84 and 104,546.91

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Solution

The fourth proportional to 341,203.54, 511,786.84 and 104,546.91 is: 156,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,203.54 : 511,786.84 = 104,546.91 : x
  2. Step 2: Convert to fraction form
    341,203.54/511,786.84 = 104,546.91/x
  3. Step 3: Cross multiply
    341,203.54x = 511,786.84 × 104,546.91
  4. Step 4: Simplify right side
    341,203.54x = 53,505,732,700.66
  5. Step 5: Solve for x
    x = 53,505,732,700.66/341,203.54
  6. Step 6: Final answer
    x = 156,814.71

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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.