Home / 238,727.44-358,015.19-78,773.56

Finding the Fourth Proportional to 238,727.44, 358,015.19 and 78,773.56

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Solution

The fourth proportional to 238,727.44, 358,015.19 and 78,773.56 is: 118,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,727.44 : 358,015.19 = 78,773.56 : x
  2. Step 2: Convert to fraction form
    238,727.44/358,015.19 = 78,773.56/x
  3. Step 3: Cross multiply
    238,727.44x = 358,015.19 × 78,773.56
  4. Step 4: Simplify right side
    238,727.44x = 28,202,129,761.47
  5. Step 5: Solve for x
    x = 28,202,129,761.47/238,727.44
  6. Step 6: Final answer
    x = 118,135.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.