Home / 448,711.27-673,072.76-149,191.85

Finding the Fourth Proportional to 448,711.27, 673,072.76 and 149,191.85

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Solution

The fourth proportional to 448,711.27, 673,072.76 and 149,191.85 is: 223,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,711.27 : 673,072.76 = 149,191.85 : x
  2. Step 2: Convert to fraction form
    448,711.27/673,072.76 = 149,191.85/x
  3. Step 3: Cross multiply
    448,711.27x = 673,072.76 × 149,191.85
  4. Step 4: Simplify right side
    448,711.27x = 100,416,967,256.62
  5. Step 5: Solve for x
    x = 100,416,967,256.62/448,711.27
  6. Step 6: Final answer
    x = 223,789.72

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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.