Finding the Fourth Proportional to 196,542.64, 271,194.84 and 115,964.08
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Solution
The fourth proportional to 196,542.64, 271,194.84 and 115,964.08 is: 160,010.37
Step by Step Solution
- Step 1: Write the proportion equation
196,542.64 : 271,194.84 = 115,964.08 : x - Step 2: Convert to fraction form
196,542.64/271,194.84 = 115,964.08/x - Step 3: Cross multiply
196,542.64x = 271,194.84 × 115,964.08 - Step 4: Simplify right side
196,542.64x = 31,448,860,121.35 - Step 5: Solve for x
x = 31,448,860,121.35/196,542.64 - Step 6: Final answer
x = 160,010.37
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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.