Finding the Fourth Proportional to 203,473.62, 303,972.75 and 131,812.92
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Solution
The fourth proportional to 203,473.62, 303,972.75 and 131,812.92 is: 196,917.59
Step by Step Solution
- Step 1: Write the proportion equation
203,473.62 : 303,972.75 = 131,812.92 : x - Step 2: Convert to fraction form
203,473.62/303,972.75 = 131,812.92/x - Step 3: Cross multiply
203,473.62x = 303,972.75 × 131,812.92 - Step 4: Simplify right side
203,473.62x = 40,067,535,777.93 - Step 5: Solve for x
x = 40,067,535,777.93/203,473.62 - Step 6: Final answer
x = 196,917.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.