Finding the Fourth Proportional to 68,145.68, 102,211.33 and 18,230.82
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Solution
The fourth proportional to 68,145.68, 102,211.33 and 18,230.82 is: 27,344.31
Step by Step Solution
- Step 1: Write the proportion equation
68,145.68 : 102,211.33 = 18,230.82 : x - Step 2: Convert to fraction form
68,145.68/102,211.33 = 18,230.82/x - Step 3: Cross multiply
68,145.68x = 102,211.33 × 18,230.82 - Step 4: Simplify right side
68,145.68x = 1,863,396,359.19 - Step 5: Solve for x
x = 1,863,396,359.19/68,145.68 - Step 6: Final answer
x = 27,344.31
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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.