Finding the Fourth Proportional to 355,906.48, 491,150.99 and 194,761.54
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Solution
The fourth proportional to 355,906.48, 491,150.99 and 194,761.54 is: 268,770.95
Step by Step Solution
- Step 1: Write the proportion equation
355,906.48 : 491,150.99 = 194,761.54 : x - Step 2: Convert to fraction form
355,906.48/491,150.99 = 194,761.54/x - Step 3: Cross multiply
355,906.48x = 491,150.99 × 194,761.54 - Step 4: Simplify right side
355,906.48x = 95,657,323,184.92 - Step 5: Solve for x
x = 95,657,323,184.92/355,906.48 - Step 6: Final answer
x = 268,770.95
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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.