Finding the Fourth Proportional to 192,286.95, 288,504.27 and 135,415.41
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Solution
The fourth proportional to 192,286.95, 288,504.27 and 135,415.41 is: 203,175.12
Step by Step Solution
- Step 1: Write the proportion equation
192,286.95 : 288,504.27 = 135,415.41 : x - Step 2: Convert to fraction form
192,286.95/288,504.27 = 135,415.41/x - Step 3: Cross multiply
192,286.95x = 288,504.27 × 135,415.41 - Step 4: Simplify right side
192,286.95x = 39,067,924,008.80 - Step 5: Solve for x
x = 39,067,924,008.80/192,286.95 - Step 6: Final answer
x = 203,175.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.