Home / 348,839.36-481,490.32-205,694.72

Finding the Fourth Proportional to 348,839.36, 481,490.32 and 205,694.72

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Solution

The fourth proportional to 348,839.36, 481,490.32 and 205,694.72 is: 283,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,839.36 : 481,490.32 = 205,694.72 : x
  2. Step 2: Convert to fraction form
    348,839.36/481,490.32 = 205,694.72/x
  3. Step 3: Cross multiply
    348,839.36x = 481,490.32 × 205,694.72
  4. Step 4: Simplify right side
    348,839.36x = 99,040,016,555.11
  5. Step 5: Solve for x
    x = 99,040,016,555.11/348,839.36
  6. Step 6: Final answer
    x = 283,912.96

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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.