Home / 238,827.69-329,579.79-131,397.80

Finding the Fourth Proportional to 238,827.69, 329,579.79 and 131,397.80

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Solution

The fourth proportional to 238,827.69, 329,579.79 and 131,397.80 is: 181,327.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,827.69 : 329,579.79 = 131,397.80 : x
  2. Step 2: Convert to fraction form
    238,827.69/329,579.79 = 131,397.80/x
  3. Step 3: Cross multiply
    238,827.69x = 329,579.79 × 131,397.80
  4. Step 4: Simplify right side
    238,827.69x = 43,306,057,189.82
  5. Step 5: Solve for x
    x = 43,306,057,189.82/238,827.69
  6. Step 6: Final answer
    x = 181,327.62

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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.