Home / 238,821.73-329,573.97-131,389.45

Finding the Fourth Proportional to 238,821.73, 329,573.97 and 131,389.45

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Solution

The fourth proportional to 238,821.73, 329,573.97 and 131,389.45 is: 181,317.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,821.73 : 329,573.97 = 131,389.45 : x
  2. Step 2: Convert to fraction form
    238,821.73/329,573.97 = 131,389.45/x
  3. Step 3: Cross multiply
    238,821.73x = 329,573.97 × 131,389.45
  4. Step 4: Simplify right side
    238,821.73x = 43,302,543,928.89
  5. Step 5: Solve for x
    x = 43,302,543,928.89/238,821.73
  6. Step 6: Final answer
    x = 181,317.44

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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.