Finding the Fourth Proportional to 196,899.75, 271,721.67 and 107,475.75
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Solution
The fourth proportional to 196,899.75, 271,721.67 and 107,475.75 is: 148,316.54
Step by Step Solution
- Step 1: Write the proportion equation
196,899.75 : 271,721.67 = 107,475.75 : x - Step 2: Convert to fraction form
196,899.75/271,721.67 = 107,475.75/x - Step 3: Cross multiply
196,899.75x = 271,721.67 × 107,475.75 - Step 4: Simplify right side
196,899.75x = 29,203,490,274.50 - Step 5: Solve for x
x = 29,203,490,274.50/196,899.75 - Step 6: Final answer
x = 148,316.54
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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.