Finding the Fourth Proportional to 196,891.75, 271,710.62 and 107,467.75
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Solution
The fourth proportional to 196,891.75, 271,710.62 and 107,467.75 is: 148,305.50
Step by Step Solution
- Step 1: Write the proportion equation
196,891.75 : 271,710.62 = 107,467.75 : x - Step 2: Convert to fraction form
196,891.75/271,710.62 = 107,467.75/x - Step 3: Cross multiply
196,891.75x = 271,710.62 × 107,467.75 - Step 4: Simplify right side
196,891.75x = 29,200,128,445.17 - Step 5: Solve for x
x = 29,200,128,445.17/196,891.75 - Step 6: Final answer
x = 148,305.50
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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.