Home / 322,896.20-484,517.10-145,430.60

Finding the Fourth Proportional to 322,896.20, 484,517.10 and 145,430.60

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Solution

The fourth proportional to 322,896.20, 484,517.10 and 145,430.60 is: 218,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,896.20 : 484,517.10 = 145,430.60 : x
  2. Step 2: Convert to fraction form
    322,896.20/484,517.10 = 145,430.60/x
  3. Step 3: Cross multiply
    322,896.20x = 484,517.10 × 145,430.60
  4. Step 4: Simplify right side
    322,896.20x = 70,463,612,563.26
  5. Step 5: Solve for x
    x = 70,463,612,563.26/322,896.20
  6. Step 6: Final answer
    x = 218,223.73

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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.