Home / 247,990.49-341,905.66-160,620.15

Finding the Fourth Proportional to 247,990.49, 341,905.66 and 160,620.15

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Solution

The fourth proportional to 247,990.49, 341,905.66 and 160,620.15 is: 221,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,990.49 : 341,905.66 = 160,620.15 : x
  2. Step 2: Convert to fraction form
    247,990.49/341,905.66 = 160,620.15/x
  3. Step 3: Cross multiply
    247,990.49x = 341,905.66 × 160,620.15
  4. Step 4: Simplify right side
    247,990.49x = 54,916,936,842.56
  5. Step 5: Solve for x
    x = 54,916,936,842.56/247,990.49
  6. Step 6: Final answer
    x = 221,447.75

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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.