Home / 217,008.40-324,994.20-133,027.60

Finding the Fourth Proportional to 217,008.40, 324,994.20 and 133,027.60

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Solution

The fourth proportional to 217,008.40, 324,994.20 and 133,027.60 is: 199,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,008.40 : 324,994.20 = 133,027.60 : x
  2. Step 2: Convert to fraction form
    217,008.40/324,994.20 = 133,027.60/x
  3. Step 3: Cross multiply
    217,008.40x = 324,994.20 × 133,027.60
  4. Step 4: Simplify right side
    217,008.40x = 43,233,198,439.92
  5. Step 5: Solve for x
    x = 43,233,198,439.92/217,008.40
  6. Step 6: Final answer
    x = 199,223.62

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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.