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Finding the Fourth Proportional to 303,589, 418,953.06 and 169,453

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Solution

The fourth proportional to 303,589, 418,953.06 and 169,453 is: 233,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,589 : 418,953.06 = 169,453 : x
  2. Step 2: Convert to fraction form
    303,589/418,953.06 = 169,453/x
  3. Step 3: Cross multiply
    303,589x = 418,953.06 × 169,453
  4. Step 4: Simplify right side
    303,589x = 70,992,852,876.18
  5. Step 5: Solve for x
    x = 70,992,852,876.18/303,589
  6. Step 6: Final answer
    x = 233,845.27

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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.