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Finding the Fourth Proportional to 230,260.28, 315,457.67 and 221,631.19

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Solution

The fourth proportional to 230,260.28, 315,457.67 and 221,631.19 is: 303,635.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,260.28 : 315,457.67 = 221,631.19 : x
  2. Step 2: Convert to fraction form
    230,260.28/315,457.67 = 221,631.19/x
  3. Step 3: Cross multiply
    230,260.28x = 315,457.67 × 221,631.19
  4. Step 4: Simplify right side
    230,260.28x = 69,915,258,796.73
  5. Step 5: Solve for x
    x = 69,915,258,796.73/230,260.28
  6. Step 6: Final answer
    x = 303,635.78

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.