Home / 351,481.85-485,045.21-190,337.07

Finding the Fourth Proportional to 351,481.85, 485,045.21 and 190,337.07

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Solution

The fourth proportional to 351,481.85, 485,045.21 and 190,337.07 is: 262,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,481.85 : 485,045.21 = 190,337.07 : x
  2. Step 2: Convert to fraction form
    351,481.85/485,045.21 = 190,337.07/x
  3. Step 3: Cross multiply
    351,481.85x = 485,045.21 × 190,337.07
  4. Step 4: Simplify right side
    351,481.85x = 92,322,085,777.39
  5. Step 5: Solve for x
    x = 92,322,085,777.39/351,481.85
  6. Step 6: Final answer
    x = 262,665.30

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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.