Home / 238,947.06-329,744.40-131,514.78

Finding the Fourth Proportional to 238,947.06, 329,744.40 and 131,514.78

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Solution

The fourth proportional to 238,947.06, 329,744.40 and 131,514.78 is: 181,489.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,947.06 : 329,744.40 = 131,514.78 : x
  2. Step 2: Convert to fraction form
    238,947.06/329,744.40 = 131,514.78/x
  3. Step 3: Cross multiply
    238,947.06x = 329,744.40 × 131,514.78
  4. Step 4: Simplify right side
    238,947.06x = 43,366,262,222.23
  5. Step 5: Solve for x
    x = 43,366,262,222.23/238,947.06
  6. Step 6: Final answer
    x = 181,489.00

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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.