Home / 277,015.40-382,425.80-196,634.95

Finding the Fourth Proportional to 277,015.40, 382,425.80 and 196,634.95

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Solution

The fourth proportional to 277,015.40, 382,425.80 and 196,634.95 is: 271,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,015.40 : 382,425.80 = 196,634.95 : x
  2. Step 2: Convert to fraction form
    277,015.40/382,425.80 = 196,634.95/x
  3. Step 3: Cross multiply
    277,015.40x = 382,425.80 × 196,634.95
  4. Step 4: Simplify right side
    277,015.40x = 75,198,277,751.08
  5. Step 5: Solve for x
    x = 75,198,277,751.08/277,015.40
  6. Step 6: Final answer
    x = 271,458.83

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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.