Finding the Fourth Proportional to 363,668.26, 545,689.25 and 161,402.96
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Solution
The fourth proportional to 363,668.26, 545,689.25 and 161,402.96 is: 242,187.37
Step by Step Solution
- Step 1: Write the proportion equation
363,668.26 : 545,689.25 = 161,402.96 : x - Step 2: Convert to fraction form
363,668.26/545,689.25 = 161,402.96/x - Step 3: Cross multiply
363,668.26x = 545,689.25 × 161,402.96 - Step 4: Simplify right side
363,668.26x = 88,075,860,190.18 - Step 5: Solve for x
x = 88,075,860,190.18/363,668.26 - Step 6: Final answer
x = 242,187.37
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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.