Home / 238,764.08-329,498.61-131,338.64

Finding the Fourth Proportional to 238,764.08, 329,498.61 and 131,338.64

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Solution

The fourth proportional to 238,764.08, 329,498.61 and 131,338.64 is: 181,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,764.08 : 329,498.61 = 131,338.64 : x
  2. Step 2: Convert to fraction form
    238,764.08/329,498.61 = 131,338.64/x
  3. Step 3: Cross multiply
    238,764.08x = 329,498.61 × 131,338.64
  4. Step 4: Simplify right side
    238,764.08x = 43,275,899,319.29
  5. Step 5: Solve for x
    x = 43,275,899,319.29/238,764.08
  6. Step 6: Final answer
    x = 181,249.62

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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.