Finding the Fourth Proportional to 200,138.20, 300,243.68 and 94,956.18
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Solution
The fourth proportional to 200,138.20, 300,243.68 and 94,956.18 is: 142,451.53
Step by Step Solution
- Step 1: Write the proportion equation
200,138.20 : 300,243.68 = 94,956.18 : x - Step 2: Convert to fraction form
200,138.20/300,243.68 = 94,956.18/x - Step 3: Cross multiply
200,138.20x = 300,243.68 × 94,956.18 - Step 4: Simplify right side
200,138.20x = 28,509,992,921.94 - Step 5: Solve for x
x = 28,509,992,921.94/200,138.20 - Step 6: Final answer
x = 142,451.53
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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.