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Finding the Fourth Proportional to 202,649.43, 279,694.76 and 133,617.45

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Solution

The fourth proportional to 202,649.43, 279,694.76 and 133,617.45 is: 184,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,649.43 : 279,694.76 = 133,617.45 : x
  2. Step 2: Convert to fraction form
    202,649.43/279,694.76 = 133,617.45/x
  3. Step 3: Cross multiply
    202,649.43x = 279,694.76 × 133,617.45
  4. Step 4: Simplify right side
    202,649.43x = 37,372,100,609.56
  5. Step 5: Solve for x
    x = 37,372,100,609.56/202,649.43
  6. Step 6: Final answer
    x = 184,417.50

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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.