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Finding the Fourth Proportional to 303,755.07, 419,179.32 and 167,798.49

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Solution

The fourth proportional to 303,755.07, 419,179.32 and 167,798.49 is: 231,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,755.07 : 419,179.32 = 167,798.49 : x
  2. Step 2: Convert to fraction form
    303,755.07/419,179.32 = 167,798.49/x
  3. Step 3: Cross multiply
    303,755.07x = 419,179.32 × 167,798.49
  4. Step 4: Simplify right side
    303,755.07x = 70,337,656,935.23
  5. Step 5: Solve for x
    x = 70,337,656,935.23/303,755.07
  6. Step 6: Final answer
    x = 231,560.44

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1.5x scale

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.