Finding the Fourth Proportional to 102,757.61, 154,146.68 and 27,878.99
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Solution
The fourth proportional to 102,757.61, 154,146.68 and 27,878.99 is: 41,821.27
Step by Step Solution
- Step 1: Write the proportion equation
102,757.61 : 154,146.68 = 27,878.99 : x - Step 2: Convert to fraction form
102,757.61/154,146.68 = 27,878.99/x - Step 3: Cross multiply
102,757.61x = 154,146.68 × 27,878.99 - Step 4: Simplify right side
102,757.61x = 4,297,453,750.25 - Step 5: Solve for x
x = 4,297,453,750.25/102,757.61 - Step 6: Final answer
x = 41,821.27
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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.