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Finding the Fourth Proportional to 449,042.82, 673,082.16 and 223,958.59

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Solution

The fourth proportional to 449,042.82, 673,082.16 and 223,958.59 is: 335,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,042.82 : 673,082.16 = 223,958.59 : x
  2. Step 2: Convert to fraction form
    449,042.82/673,082.16 = 223,958.59/x
  3. Step 3: Cross multiply
    449,042.82x = 673,082.16 × 223,958.59
  4. Step 4: Simplify right side
    449,042.82x = 150,742,531,507.75
  5. Step 5: Solve for x
    x = 150,742,531,507.75/449,042.82
  6. Step 6: Final answer
    x = 335,697.45

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1.5x scale

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.