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Finding the Fourth Proportional to 609,825.66, 914,883.84 and 210,469.92

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Solution

The fourth proportional to 609,825.66, 914,883.84 and 210,469.92 is: 315,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,825.66 : 914,883.84 = 210,469.92 : x
  2. Step 2: Convert to fraction form
    609,825.66/914,883.84 = 210,469.92/x
  3. Step 3: Cross multiply
    609,825.66x = 914,883.84 × 210,469.92
  4. Step 4: Simplify right side
    609,825.66x = 192,555,528,614.09
  5. Step 5: Solve for x
    x = 192,555,528,614.09/609,825.66
  6. Step 6: Final answer
    x = 315,755.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.