Home / 247,380.38-341,223.44-156,641.75

Finding the Fourth Proportional to 247,380.38, 341,223.44 and 156,641.75

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Solution

The fourth proportional to 247,380.38, 341,223.44 and 156,641.75 is: 216,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,380.38 : 341,223.44 = 156,641.75 : x
  2. Step 2: Convert to fraction form
    247,380.38/341,223.44 = 156,641.75/x
  3. Step 3: Cross multiply
    247,380.38x = 341,223.44 × 156,641.75
  4. Step 4: Simplify right side
    247,380.38x = 53,449,835,572.88
  5. Step 5: Solve for x
    x = 53,449,835,572.88/247,380.38
  6. Step 6: Final answer
    x = 216,063.36

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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.