Home / 238,641.06-357,936.96-80,865.42

Finding the Fourth Proportional to 238,641.06, 357,936.96 and 80,865.42

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Solution

The fourth proportional to 238,641.06, 357,936.96 and 80,865.42 is: 121,289.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,641.06 : 357,936.96 = 80,865.42 : x
  2. Step 2: Convert to fraction form
    238,641.06/357,936.96 = 80,865.42/x
  3. Step 3: Cross multiply
    238,641.06x = 357,936.96 × 80,865.42
  4. Step 4: Simplify right side
    238,641.06x = 28,944,722,603.92
  5. Step 5: Solve for x
    x = 28,944,722,603.92/238,641.06
  6. Step 6: Final answer
    x = 121,289.78

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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.