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Finding the Fourth Proportional to 351,650.06, 485,276.49 and 190,509.20

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Solution

The fourth proportional to 351,650.06, 485,276.49 and 190,509.20 is: 262,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,650.06 : 485,276.49 = 190,509.20 : x
  2. Step 2: Convert to fraction form
    351,650.06/485,276.49 = 190,509.20/x
  3. Step 3: Cross multiply
    351,650.06x = 485,276.49 × 190,509.20
  4. Step 4: Simplify right side
    351,650.06x = 92,449,633,462.33
  5. Step 5: Solve for x
    x = 92,449,633,462.33/351,650.06
  6. Step 6: Final answer
    x = 262,902.37

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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.