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Finding the Fourth Proportional to 221,574.40, 332,361.60 and 133,100.80

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Solution

The fourth proportional to 221,574.40, 332,361.60 and 133,100.80 is: 199,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,574.40 : 332,361.60 = 133,100.80 : x
  2. Step 2: Convert to fraction form
    221,574.40/332,361.60 = 133,100.80/x
  3. Step 3: Cross multiply
    221,574.40x = 332,361.60 × 133,100.80
  4. Step 4: Simplify right side
    221,574.40x = 44,237,594,849.28
  5. Step 5: Solve for x
    x = 44,237,594,849.28/221,574.40
  6. Step 6: Final answer
    x = 199,651.20

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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.