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Finding the Fourth Proportional to 220,416.87, 330,500.82 and 201,608.67

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Solution

The fourth proportional to 220,416.87, 330,500.82 and 201,608.67 is: 302,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,416.87 : 330,500.82 = 201,608.67 : x
  2. Step 2: Convert to fraction form
    220,416.87/330,500.82 = 201,608.67/x
  3. Step 3: Cross multiply
    220,416.87x = 330,500.82 × 201,608.67
  4. Step 4: Simplify right side
    220,416.87x = 66,631,830,754.11
  5. Step 5: Solve for x
    x = 66,631,830,754.11/220,416.87
  6. Step 6: Final answer
    x = 302,299.14

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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.