Home / 238,616.22-329,287.40-131,185.30

Finding the Fourth Proportional to 238,616.22, 329,287.40 and 131,185.30

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Solution

The fourth proportional to 238,616.22, 329,287.40 and 131,185.30 is: 181,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,616.22 : 329,287.40 = 131,185.30 : x
  2. Step 2: Convert to fraction form
    238,616.22/329,287.40 = 131,185.30/x
  3. Step 3: Cross multiply
    238,616.22x = 329,287.40 × 131,185.30
  4. Step 4: Simplify right side
    238,616.22x = 43,197,666,355.22
  5. Step 5: Solve for x
    x = 43,197,666,355.22/238,616.22
  6. Step 6: Final answer
    x = 181,034.07

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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.