Finding the Fourth Proportional to 197,072.01, 271,872.99 and 120,594.78
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Solution
The fourth proportional to 197,072.01, 271,872.99 and 120,594.78 is: 166,367.94
Step by Step Solution
- Step 1: Write the proportion equation
197,072.01 : 271,872.99 = 120,594.78 : x - Step 2: Convert to fraction form
197,072.01/271,872.99 = 120,594.78/x - Step 3: Cross multiply
197,072.01x = 271,872.99 × 120,594.78 - Step 4: Simplify right side
197,072.01x = 32,786,463,416.99 - Step 5: Solve for x
x = 32,786,463,416.99/197,072.01 - Step 6: Final answer
x = 166,367.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.