Home / 238,788-329,505.84-131,362.56

Finding the Fourth Proportional to 238,788, 329,505.84 and 131,362.56

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Solution

The fourth proportional to 238,788, 329,505.84 and 131,362.56 is: 181,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,788 : 329,505.84 = 131,362.56 : x
  2. Step 2: Convert to fraction form
    238,788/329,505.84 = 131,362.56/x
  3. Step 3: Cross multiply
    238,788x = 329,505.84 × 131,362.56
  4. Step 4: Simplify right side
    238,788x = 43,284,730,677.35
  5. Step 5: Solve for x
    x = 43,284,730,677.35/238,788
  6. Step 6: Final answer
    x = 181,268.45

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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.