Home / 328,979.88-453,992.58-178,076.52

Finding the Fourth Proportional to 328,979.88, 453,992.58 and 178,076.52

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Solution

The fourth proportional to 328,979.88, 453,992.58 and 178,076.52 is: 245,745.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,979.88 : 453,992.58 = 178,076.52 : x
  2. Step 2: Convert to fraction form
    328,979.88/453,992.58 = 178,076.52/x
  3. Step 3: Cross multiply
    328,979.88x = 453,992.58 × 178,076.52
  4. Step 4: Simplify right side
    328,979.88x = 80,845,418,752.22
  5. Step 5: Solve for x
    x = 80,845,418,752.22/328,979.88
  6. Step 6: Final answer
    x = 245,745.78

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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.