Home / 347,738.28-479,855.52-192,679.17

Finding the Fourth Proportional to 347,738.28, 479,855.52 and 192,679.17

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Solution

The fourth proportional to 347,738.28, 479,855.52 and 192,679.17 is: 265,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,738.28 : 479,855.52 = 192,679.17 : x
  2. Step 2: Convert to fraction form
    347,738.28/479,855.52 = 192,679.17/x
  3. Step 3: Cross multiply
    347,738.28x = 479,855.52 × 192,679.17
  4. Step 4: Simplify right side
    347,738.28x = 92,458,163,313.52
  5. Step 5: Solve for x
    x = 92,458,163,313.52/347,738.28
  6. Step 6: Final answer
    x = 265,884.34

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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.