Home / 351,977.32-485,722.74-199,013.14

Finding the Fourth Proportional to 351,977.32, 485,722.74 and 199,013.14

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Solution

The fourth proportional to 351,977.32, 485,722.74 and 199,013.14 is: 274,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,977.32 : 485,722.74 = 199,013.14 : x
  2. Step 2: Convert to fraction form
    351,977.32/485,722.74 = 199,013.14/x
  3. Step 3: Cross multiply
    351,977.32x = 485,722.74 × 199,013.14
  4. Step 4: Simplify right side
    351,977.32x = 96,665,207,656.80
  5. Step 5: Solve for x
    x = 96,665,207,656.80/351,977.32
  6. Step 6: Final answer
    x = 274,634.76

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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.