Home / 247,911.87-342,196.25-140,553.40

Finding the Fourth Proportional to 247,911.87, 342,196.25 and 140,553.40

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Solution

The fourth proportional to 247,911.87, 342,196.25 and 140,553.40 is: 194,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,911.87 : 342,196.25 = 140,553.40 : x
  2. Step 2: Convert to fraction form
    247,911.87/342,196.25 = 140,553.40/x
  3. Step 3: Cross multiply
    247,911.87x = 342,196.25 × 140,553.40
  4. Step 4: Simplify right side
    247,911.87x = 48,096,846,450.54
  5. Step 5: Solve for x
    x = 48,096,846,450.54/247,911.87
  6. Step 6: Final answer
    x = 194,007.84

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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.