Home / 238,744.65-329,473.85-131,317.50

Finding the Fourth Proportional to 238,744.65, 329,473.85 and 131,317.50

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Solution

The fourth proportional to 238,744.65, 329,473.85 and 131,317.50 is: 181,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,744.65 : 329,473.85 = 131,317.50 : x
  2. Step 2: Convert to fraction form
    238,744.65/329,473.85 = 131,317.50/x
  3. Step 3: Cross multiply
    238,744.65x = 329,473.85 × 131,317.50
  4. Step 4: Simplify right side
    238,744.65x = 43,265,681,640.79
  5. Step 5: Solve for x
    x = 43,265,681,640.79/238,744.65
  6. Step 6: Final answer
    x = 181,221.58

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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.