Home / 321,127.20-481,107.60-196,322.40

Finding the Fourth Proportional to 321,127.20, 481,107.60 and 196,322.40

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Solution

The fourth proportional to 321,127.20, 481,107.60 and 196,322.40 is: 294,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,127.20 : 481,107.60 = 196,322.40 : x
  2. Step 2: Convert to fraction form
    321,127.20/481,107.60 = 196,322.40/x
  3. Step 3: Cross multiply
    321,127.20x = 481,107.60 × 196,322.40
  4. Step 4: Simplify right side
    321,127.20x = 94,452,198,690.24
  5. Step 5: Solve for x
    x = 94,452,198,690.24/321,127.20
  6. Step 6: Final answer
    x = 294,127.06

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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.