Finding the Fourth Proportional to 216,631.76, 325,107.27 and 102,779.99
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Solution
The fourth proportional to 216,631.76, 325,107.27 and 102,779.99 is: 154,245.72
Step by Step Solution
- Step 1: Write the proportion equation
216,631.76 : 325,107.27 = 102,779.99 : x - Step 2: Convert to fraction form
216,631.76/325,107.27 = 102,779.99/x - Step 3: Cross multiply
216,631.76x = 325,107.27 × 102,779.99 - Step 4: Simplify right side
216,631.76x = 33,414,521,959.53 - Step 5: Solve for x
x = 33,414,521,959.53/216,631.76 - Step 6: Final answer
x = 154,245.72
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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.