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Finding the Fourth Proportional to 325,750.95, 449,561.79 and 209,568.15

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Solution

The fourth proportional to 325,750.95, 449,561.79 and 209,568.15 is: 289,220.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,750.95 : 449,561.79 = 209,568.15 : x
  2. Step 2: Convert to fraction form
    325,750.95/449,561.79 = 209,568.15/x
  3. Step 3: Cross multiply
    325,750.95x = 449,561.79 × 209,568.15
  4. Step 4: Simplify right side
    325,750.95x = 94,213,832,640.99
  5. Step 5: Solve for x
    x = 94,213,832,640.99/325,750.95
  6. Step 6: Final answer
    x = 289,220.44

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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.