Finding the Fourth Proportional to 271,631.28, 374,076.12 and 196,060.08
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Solution
The fourth proportional to 271,631.28, 374,076.12 and 196,060.08 is: 270,003.49
Step by Step Solution
- Step 1: Write the proportion equation
271,631.28 : 374,076.12 = 196,060.08 : x - Step 2: Convert to fraction form
271,631.28/374,076.12 = 196,060.08/x - Step 3: Cross multiply
271,631.28x = 374,076.12 × 196,060.08 - Step 4: Simplify right side
271,631.28x = 73,341,394,013.29 - Step 5: Solve for x
x = 73,341,394,013.29/271,631.28 - Step 6: Final answer
x = 270,003.49
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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.