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Finding the Fourth Proportional to 322,350.80, 483,359.34 and 144,704.84

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Solution

The fourth proportional to 322,350.80, 483,359.34 and 144,704.84 is: 216,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,350.80 : 483,359.34 = 144,704.84 : x
  2. Step 2: Convert to fraction form
    322,350.80/483,359.34 = 144,704.84/x
  3. Step 3: Cross multiply
    322,350.80x = 483,359.34 × 144,704.84
  4. Step 4: Simplify right side
    322,350.80x = 69,944,435,957.21
  5. Step 5: Solve for x
    x = 69,944,435,957.21/322,350.80
  6. Step 6: Final answer
    x = 216,982.36

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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.