Finding the Fourth Proportional to 197,082.63, 271,974.03 and 107,658.63
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Solution
The fourth proportional to 197,082.63, 271,974.03 and 107,658.63 is: 148,568.90
Step by Step Solution
- Step 1: Write the proportion equation
197,082.63 : 271,974.03 = 107,658.63 : x - Step 2: Convert to fraction form
197,082.63/271,974.03 = 107,658.63/x - Step 3: Cross multiply
197,082.63x = 271,974.03 × 107,658.63 - Step 4: Simplify right side
197,082.63x = 29,280,349,567.22 - Step 5: Solve for x
x = 29,280,349,567.22/197,082.63 - Step 6: Final answer
x = 148,568.90
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1.5x scale
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.