Home / 217,006.40-324,991.20-133,025.60

Finding the Fourth Proportional to 217,006.40, 324,991.20 and 133,025.60

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Solution

The fourth proportional to 217,006.40, 324,991.20 and 133,025.60 is: 199,220.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,006.40 : 324,991.20 = 133,025.60 : x
  2. Step 2: Convert to fraction form
    217,006.40/324,991.20 = 133,025.60/x
  3. Step 3: Cross multiply
    217,006.40x = 324,991.20 × 133,025.60
  4. Step 4: Simplify right side
    217,006.40x = 43,232,149,374.72
  5. Step 5: Solve for x
    x = 43,232,149,374.72/217,006.40
  6. Step 6: Final answer
    x = 199,220.62

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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.