Finding the Fourth Proportional to 220,511.40, 330,716.70 and 108,079.08
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Solution
The fourth proportional to 220,511.40, 330,716.70 and 108,079.08 is: 162,093.92
Step by Step Solution
- Step 1: Write the proportion equation
220,511.40 : 330,716.70 = 108,079.08 : x - Step 2: Convert to fraction form
220,511.40/330,716.70 = 108,079.08/x - Step 3: Cross multiply
220,511.40x = 330,716.70 × 108,079.08 - Step 4: Simplify right side
220,511.40x = 35,743,556,676.64 - Step 5: Solve for x
x = 35,743,556,676.64/220,511.40 - Step 6: Final answer
x = 162,093.92
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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.