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Finding the Fourth Proportional to 448,794.54, 673,190.26 and 111,835.42

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Solution

The fourth proportional to 448,794.54, 673,190.26 and 111,835.42 is: 167,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,794.54 : 673,190.26 = 111,835.42 : x
  2. Step 2: Convert to fraction form
    448,794.54/673,190.26 = 111,835.42/x
  3. Step 3: Cross multiply
    448,794.54x = 673,190.26 × 111,835.42
  4. Step 4: Simplify right side
    448,794.54x = 75,286,513,504.45
  5. Step 5: Solve for x
    x = 75,286,513,504.45/448,794.54
  6. Step 6: Final answer
    x = 167,752.74

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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.