Home / 321,378.08-481,911.60-110,942.24

Finding the Fourth Proportional to 321,378.08, 481,911.60 and 110,942.24

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Solution

The fourth proportional to 321,378.08, 481,911.60 and 110,942.24 is: 166,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,378.08 : 481,911.60 = 110,942.24 : x
  2. Step 2: Convert to fraction form
    321,378.08/481,911.60 = 110,942.24/x
  3. Step 3: Cross multiply
    321,378.08x = 481,911.60 × 110,942.24
  4. Step 4: Simplify right side
    321,378.08x = 53,464,352,385.98
  5. Step 5: Solve for x
    x = 53,464,352,385.98/321,378.08
  6. Step 6: Final answer
    x = 166,359.67

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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.