Home / 274,659.41-379,068.39-198,425.15

Finding the Fourth Proportional to 274,659.41, 379,068.39 and 198,425.15

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Solution

The fourth proportional to 274,659.41, 379,068.39 and 198,425.15 is: 273,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,659.41 : 379,068.39 = 198,425.15 : x
  2. Step 2: Convert to fraction form
    274,659.41/379,068.39 = 198,425.15/x
  3. Step 3: Cross multiply
    274,659.41x = 379,068.39 × 198,425.15
  4. Step 4: Simplify right side
    274,659.41x = 75,216,702,146.01
  5. Step 5: Solve for x
    x = 75,216,702,146.01/274,659.41
  6. Step 6: Final answer
    x = 273,854.45

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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.