Home / 247,811.70-341,982.56-140,379.43

Finding the Fourth Proportional to 247,811.70, 341,982.56 and 140,379.43

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Solution

The fourth proportional to 247,811.70, 341,982.56 and 140,379.43 is: 193,724.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,811.70 : 341,982.56 = 140,379.43 : x
  2. Step 2: Convert to fraction form
    247,811.70/341,982.56 = 140,379.43/x
  3. Step 3: Cross multiply
    247,811.70x = 341,982.56 × 140,379.43
  4. Step 4: Simplify right side
    247,811.70x = 48,007,316,190.32
  5. Step 5: Solve for x
    x = 48,007,316,190.32/247,811.70
  6. Step 6: Final answer
    x = 193,724.98

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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.