Home / 351,917.46-485,634.29-208,592.42

Finding the Fourth Proportional to 351,917.46, 485,634.29 and 208,592.42

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Solution

The fourth proportional to 351,917.46, 485,634.29 and 208,592.42 is: 287,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,917.46 : 485,634.29 = 208,592.42 : x
  2. Step 2: Convert to fraction form
    351,917.46/485,634.29 = 208,592.42/x
  3. Step 3: Cross multiply
    351,917.46x = 485,634.29 × 208,592.42
  4. Step 4: Simplify right side
    351,917.46x = 101,299,628,314.95
  5. Step 5: Solve for x
    x = 101,299,628,314.95/351,917.46
  6. Step 6: Final answer
    x = 287,850.53

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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.