Home / 238,828.67-329,584.16-131,405.39

Finding the Fourth Proportional to 238,828.67, 329,584.16 and 131,405.39

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Solution

The fourth proportional to 238,828.67, 329,584.16 and 131,405.39 is: 181,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,828.67 : 329,584.16 = 131,405.39 : x
  2. Step 2: Convert to fraction form
    238,828.67/329,584.16 = 131,405.39/x
  3. Step 3: Cross multiply
    238,828.67x = 329,584.16 × 131,405.39
  4. Step 4: Simplify right side
    238,828.67x = 43,309,134,999.16
  5. Step 5: Solve for x
    x = 43,309,134,999.16/238,828.67
  6. Step 6: Final answer
    x = 181,339.77

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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.