Finding the Fourth Proportional to 203,474.15, 305,274.74 and 122,509.92
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Solution
The fourth proportional to 203,474.15, 305,274.74 and 122,509.92 is: 183,803.12
Step by Step Solution
- Step 1: Write the proportion equation
203,474.15 : 305,274.74 = 122,509.92 : x - Step 2: Convert to fraction form
203,474.15/305,274.74 = 122,509.92/x - Step 3: Cross multiply
203,474.15x = 305,274.74 × 122,509.92 - Step 4: Simplify right side
203,474.15x = 37,399,183,975.42 - Step 5: Solve for x
x = 37,399,183,975.42/203,474.15 - Step 6: Final answer
x = 183,803.12
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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.