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Finding the Fourth Proportional to 349,371.88, 482,150.29 and 196,458.20

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Solution

The fourth proportional to 349,371.88, 482,150.29 and 196,458.20 is: 271,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,371.88 : 482,150.29 = 196,458.20 : x
  2. Step 2: Convert to fraction form
    349,371.88/482,150.29 = 196,458.20/x
  3. Step 3: Cross multiply
    349,371.88x = 482,150.29 × 196,458.20
  4. Step 4: Simplify right side
    349,371.88x = 94,722,379,738.01
  5. Step 5: Solve for x
    x = 94,722,379,738.01/349,371.88
  6. Step 6: Final answer
    x = 271,121.94

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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.