Finding the Fourth Proportional to 395,193.95, 545,361.63 and 220,766.44
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Solution
The fourth proportional to 395,193.95, 545,361.63 and 220,766.44 is: 304,654.32
Step by Step Solution
- Step 1: Write the proportion equation
395,193.95 : 545,361.63 = 220,766.44 : x - Step 2: Convert to fraction form
395,193.95/545,361.63 = 220,766.44/x - Step 3: Cross multiply
395,193.95x = 545,361.63 × 220,766.44 - Step 4: Simplify right side
395,193.95x = 120,397,545,567.70 - Step 5: Solve for x
x = 120,397,545,567.70/395,193.95 - Step 6: Final answer
x = 304,654.32
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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.