Home / 449,245.28-673,865.20-112,284.24

Finding the Fourth Proportional to 449,245.28, 673,865.20 and 112,284.24

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Solution

The fourth proportional to 449,245.28, 673,865.20 and 112,284.24 is: 168,425.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,245.28 : 673,865.20 = 112,284.24 : x
  2. Step 2: Convert to fraction form
    449,245.28/673,865.20 = 112,284.24/x
  3. Step 3: Cross multiply
    449,245.28x = 673,865.20 × 112,284.24
  4. Step 4: Simplify right side
    449,245.28x = 75,664,441,844.45
  5. Step 5: Solve for x
    x = 75,664,441,844.45/449,245.28
  6. Step 6: Final answer
    x = 168,425.68

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1.5x scale

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.