Home / 442,932.20-664,463.10-143,361.80

Finding the Fourth Proportional to 442,932.20, 664,463.10 and 143,361.80

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Solution

The fourth proportional to 442,932.20, 664,463.10 and 143,361.80 is: 215,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,932.20 : 664,463.10 = 143,361.80 : x
  2. Step 2: Convert to fraction form
    442,932.20/664,463.10 = 143,361.80/x
  3. Step 3: Cross multiply
    442,932.20x = 664,463.10 × 143,361.80
  4. Step 4: Simplify right side
    442,932.20x = 95,258,626,049.58
  5. Step 5: Solve for x
    x = 95,258,626,049.58/442,932.20
  6. Step 6: Final answer
    x = 215,063.67

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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.