Finding the Fourth Proportional to 179,321.08, 268,981.20 and 54,662.08
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Solution
The fourth proportional to 179,321.08, 268,981.20 and 54,662.08 is: 81,992.99
Step by Step Solution
- Step 1: Write the proportion equation
179,321.08 : 268,981.20 = 54,662.08 : x - Step 2: Convert to fraction form
179,321.08/268,981.20 = 54,662.08/x - Step 3: Cross multiply
179,321.08x = 268,981.20 × 54,662.08 - Step 4: Simplify right side
179,321.08x = 14,703,071,872.90 - Step 5: Solve for x
x = 14,703,071,872.90/179,321.08 - Step 6: Final answer
x = 81,992.99
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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.