Home / 238,641.27-329,326.19-131,218.22

Finding the Fourth Proportional to 238,641.27, 329,326.19 and 131,218.22

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Solution

The fourth proportional to 238,641.27, 329,326.19 and 131,218.22 is: 181,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,641.27 : 329,326.19 = 131,218.22 : x
  2. Step 2: Convert to fraction form
    238,641.27/329,326.19 = 131,218.22/x
  3. Step 3: Cross multiply
    238,641.27x = 329,326.19 × 131,218.22
  4. Step 4: Simplify right side
    238,641.27x = 43,213,597,602.54
  5. Step 5: Solve for x
    x = 43,213,597,602.54/238,641.27
  6. Step 6: Final answer
    x = 181,081.83

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1.5x scale

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.