Home / 448,918.72-673,152.90-149,293.78

Finding the Fourth Proportional to 448,918.72, 673,152.90 and 149,293.78

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Solution

The fourth proportional to 448,918.72, 673,152.90 and 149,293.78 is: 223,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,918.72 : 673,152.90 = 149,293.78 : x
  2. Step 2: Convert to fraction form
    448,918.72/673,152.90 = 149,293.78/x
  3. Step 3: Cross multiply
    448,918.72x = 673,152.90 × 149,293.78
  4. Step 4: Simplify right side
    448,918.72x = 100,497,540,958.96
  5. Step 5: Solve for x
    x = 100,497,540,958.96/448,918.72
  6. Step 6: Final answer
    x = 223,865.78

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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.