Finding the Fourth Proportional to 102,872.62, 154,321.26 and 36,298.99
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Solution
The fourth proportional to 102,872.62, 154,321.26 and 36,298.99 is: 54,452.84
Step by Step Solution
- Step 1: Write the proportion equation
102,872.62 : 154,321.26 = 36,298.99 : x - Step 2: Convert to fraction form
102,872.62/154,321.26 = 36,298.99/x - Step 3: Cross multiply
102,872.62x = 154,321.26 × 36,298.99 - Step 4: Simplify right side
102,872.62x = 5,601,705,873.53 - Step 5: Solve for x
x = 5,601,705,873.53/102,872.62 - Step 6: Final answer
x = 54,452.84
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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.