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Finding the Fourth Proportional to 449,046.49, 673,676.98 and 149,529.67

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Solution

The fourth proportional to 449,046.49, 673,676.98 and 149,529.67 is: 224,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,046.49 : 673,676.98 = 149,529.67 : x
  2. Step 2: Convert to fraction form
    449,046.49/673,676.98 = 149,529.67/x
  3. Step 3: Cross multiply
    449,046.49x = 673,676.98 × 149,529.67
  4. Step 4: Simplify right side
    449,046.49x = 100,734,692,763.79
  5. Step 5: Solve for x
    x = 100,734,692,763.79/449,046.49
  6. Step 6: Final answer
    x = 224,330.21

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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.