Finding the Fourth Proportional to 347,436.68, 479,458.05 and 196,533.68
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Solution
The fourth proportional to 347,436.68, 479,458.05 and 196,533.68 is: 271,213.89
Step by Step Solution
- Step 1: Write the proportion equation
347,436.68 : 479,458.05 = 196,533.68 : x - Step 2: Convert to fraction form
347,436.68/479,458.05 = 196,533.68/x - Step 3: Cross multiply
347,436.68x = 479,458.05 × 196,533.68 - Step 4: Simplify right side
347,436.68x = 94,229,654,972.12 - Step 5: Solve for x
x = 94,229,654,972.12/347,436.68 - Step 6: Final answer
x = 271,213.89
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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.