Home / 548,839.30-822,785.82-212,116.18

Finding the Fourth Proportional to 548,839.30, 822,785.82 and 212,116.18

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Solution

The fourth proportional to 548,839.30, 822,785.82 and 212,116.18 is: 317,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,839.30 : 822,785.82 = 212,116.18 : x
  2. Step 2: Convert to fraction form
    548,839.30/822,785.82 = 212,116.18/x
  3. Step 3: Cross multiply
    548,839.30x = 822,785.82 × 212,116.18
  4. Step 4: Simplify right side
    548,839.30x = 174,526,185,096.57
  5. Step 5: Solve for x
    x = 174,526,185,096.57/548,839.30
  6. Step 6: Final answer
    x = 317,991.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.