Finding the Fourth Proportional to 198,536.08, 274,043.64 and 127,108.48
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Solution
The fourth proportional to 198,536.08, 274,043.64 and 127,108.48 is: 175,450.58
Step by Step Solution
- Step 1: Write the proportion equation
198,536.08 : 274,043.64 = 127,108.48 : x - Step 2: Convert to fraction form
198,536.08/274,043.64 = 127,108.48/x - Step 3: Cross multiply
198,536.08x = 274,043.64 × 127,108.48 - Step 4: Simplify right side
198,536.08x = 34,833,270,534.07 - Step 5: Solve for x
x = 34,833,270,534.07/198,536.08 - Step 6: Final answer
x = 175,450.58
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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.