Finding the Fourth Proportional to 72,226.18, 108,352.83 and 32,786.07
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Solution
The fourth proportional to 72,226.18, 108,352.83 and 32,786.07 is: 49,185.26
Step by Step Solution
- Step 1: Write the proportion equation
72,226.18 : 108,352.83 = 32,786.07 : x - Step 2: Convert to fraction form
72,226.18/108,352.83 = 32,786.07/x - Step 3: Cross multiply
72,226.18x = 108,352.83 × 32,786.07 - Step 4: Simplify right side
72,226.18x = 3,552,463,469.08 - Step 5: Solve for x
x = 3,552,463,469.08/72,226.18 - Step 6: Final answer
x = 49,185.26
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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.