Finding the Fourth Proportional to 102,874.62, 154,324.26 and 36,300.99
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Solution
The fourth proportional to 102,874.62, 154,324.26 and 36,300.99 is: 54,455.84
Step by Step Solution
- Step 1: Write the proportion equation
102,874.62 : 154,324.26 = 36,300.99 : x - Step 2: Convert to fraction form
102,874.62/154,324.26 = 36,300.99/x - Step 3: Cross multiply
102,874.62x = 154,324.26 × 36,300.99 - Step 4: Simplify right side
102,874.62x = 5,602,123,419.02 - Step 5: Solve for x
x = 5,602,123,419.02/102,874.62 - Step 6: Final answer
x = 54,455.84
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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.