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Finding the Fourth Proportional to 303,997.49, 419,542.42 and 176,664.88

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Solution

The fourth proportional to 303,997.49, 419,542.42 and 176,664.88 is: 243,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,997.49 : 419,542.42 = 176,664.88 : x
  2. Step 2: Convert to fraction form
    303,997.49/419,542.42 = 176,664.88/x
  3. Step 3: Cross multiply
    303,997.49x = 419,542.42 × 176,664.88
  4. Step 4: Simplify right side
    303,997.49x = 74,118,409,186.50
  5. Step 5: Solve for x
    x = 74,118,409,186.50/303,997.49
  6. Step 6: Final answer
    x = 243,812.57

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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.