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Finding the Fourth Proportional to 221,450.40, 332,175.60 and 103,133.70

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Solution

The fourth proportional to 221,450.40, 332,175.60 and 103,133.70 is: 154,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,450.40 : 332,175.60 = 103,133.70 : x
  2. Step 2: Convert to fraction form
    221,450.40/332,175.60 = 103,133.70/x
  3. Step 3: Cross multiply
    221,450.40x = 332,175.60 × 103,133.70
  4. Step 4: Simplify right side
    221,450.40x = 34,258,498,677.72
  5. Step 5: Solve for x
    x = 34,258,498,677.72/221,450.40
  6. Step 6: Final answer
    x = 154,700.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.