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Finding the Fourth Proportional to 300,007.28, 413,994.84 and 165,845.36

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Solution

The fourth proportional to 300,007.28, 413,994.84 and 165,845.36 is: 228,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,007.28 : 413,994.84 = 165,845.36 : x
  2. Step 2: Convert to fraction form
    300,007.28/413,994.84 = 165,845.36/x
  3. Step 3: Cross multiply
    300,007.28x = 413,994.84 × 165,845.36
  4. Step 4: Simplify right side
    300,007.28x = 68,659,123,277.94
  5. Step 5: Solve for x
    x = 68,659,123,277.94/300,007.28
  6. Step 6: Final answer
    x = 228,858.19

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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.