Home / 325,631.94-449,372.04-198,307.50

Finding the Fourth Proportional to 325,631.94, 449,372.04 and 198,307.50

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Solution

The fourth proportional to 325,631.94, 449,372.04 and 198,307.50 is: 273,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,631.94 : 449,372.04 = 198,307.50 : x
  2. Step 2: Convert to fraction form
    325,631.94/449,372.04 = 198,307.50/x
  3. Step 3: Cross multiply
    325,631.94x = 449,372.04 × 198,307.50
  4. Step 4: Simplify right side
    325,631.94x = 89,113,845,822.30
  5. Step 5: Solve for x
    x = 89,113,845,822.30/325,631.94
  6. Step 6: Final answer
    x = 273,664.33

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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.