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Finding the Fourth Proportional to 448,945.62, 673,448.13 and 149,414.10

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Solution

The fourth proportional to 448,945.62, 673,448.13 and 149,414.10 is: 224,131.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,945.62 : 673,448.13 = 149,414.10 : x
  2. Step 2: Convert to fraction form
    448,945.62/673,448.13 = 149,414.10/x
  3. Step 3: Cross multiply
    448,945.62x = 673,448.13 × 149,414.10
  4. Step 4: Simplify right side
    448,945.62x = 100,622,646,240.63
  5. Step 5: Solve for x
    x = 100,622,646,240.63/448,945.62
  6. Step 6: Final answer
    x = 224,131.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.