Home / 351,821.93-485,335.55-222,542.59

Finding the Fourth Proportional to 351,821.93, 485,335.55 and 222,542.59

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Solution

The fourth proportional to 351,821.93, 485,335.55 and 222,542.59 is: 306,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,821.93 : 485,335.55 = 222,542.59 : x
  2. Step 2: Convert to fraction form
    351,821.93/485,335.55 = 222,542.59/x
  3. Step 3: Cross multiply
    351,821.93x = 485,335.55 × 222,542.59
  4. Step 4: Simplify right side
    351,821.93x = 108,007,829,317.29
  5. Step 5: Solve for x
    x = 108,007,829,317.29/351,821.93
  6. Step 6: Final answer
    x = 306,995.73

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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.