Home / 443,247.20-664,870.78-110,823.20

Finding the Fourth Proportional to 443,247.20, 664,870.78 and 110,823.20

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Solution

The fourth proportional to 443,247.20, 664,870.78 and 110,823.20 is: 166,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,247.20 : 664,870.78 = 110,823.20 : x
  2. Step 2: Convert to fraction form
    443,247.20/664,870.78 = 110,823.20/x
  3. Step 3: Cross multiply
    443,247.20x = 664,870.78 × 110,823.20
  4. Step 4: Simplify right side
    443,247.20x = 73,683,107,426.10
  5. Step 5: Solve for x
    x = 73,683,107,426.10/443,247.20
  6. Step 6: Final answer
    x = 166,234.79

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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.