Home / 303,828.87-419,401.96-271,942.41

Finding the Fourth Proportional to 303,828.87, 419,401.96 and 271,942.41

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Solution

The fourth proportional to 303,828.87, 419,401.96 and 271,942.41 is: 375,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,828.87 : 419,401.96 = 271,942.41 : x
  2. Step 2: Convert to fraction form
    303,828.87/419,401.96 = 271,942.41/x
  3. Step 3: Cross multiply
    303,828.87x = 419,401.96 × 271,942.41
  4. Step 4: Simplify right side
    303,828.87x = 114,053,179,761.12
  5. Step 5: Solve for x
    x = 114,053,179,761.12/303,828.87
  6. Step 6: Final answer
    x = 375,386.25

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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.