Home / 238,249.31-328,789.37-130,819.79

Finding the Fourth Proportional to 238,249.31, 328,789.37 and 130,819.79

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Solution

The fourth proportional to 238,249.31, 328,789.37 and 130,819.79 is: 180,534.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,249.31 : 328,789.37 = 130,819.79 : x
  2. Step 2: Convert to fraction form
    238,249.31/328,789.37 = 130,819.79/x
  3. Step 3: Cross multiply
    238,249.31x = 328,789.37 × 130,819.79
  4. Step 4: Simplify right side
    238,249.31x = 43,012,157,486.66
  5. Step 5: Solve for x
    x = 43,012,157,486.66/238,249.31
  6. Step 6: Final answer
    x = 180,534.24

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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.