Home / 376,013.75-518,815.02-222,974.17

Finding the Fourth Proportional to 376,013.75, 518,815.02 and 222,974.17

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Solution

The fourth proportional to 376,013.75, 518,815.02 and 222,974.17 is: 307,654.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,013.75 : 518,815.02 = 222,974.17 : x
  2. Step 2: Convert to fraction form
    376,013.75/518,815.02 = 222,974.17/x
  3. Step 3: Cross multiply
    376,013.75x = 518,815.02 × 222,974.17
  4. Step 4: Simplify right side
    376,013.75x = 115,682,348,007.15
  5. Step 5: Solve for x
    x = 115,682,348,007.15/376,013.75
  6. Step 6: Final answer
    x = 307,654.57

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1.5x scale

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.