Finding the Fourth Proportional to 136,418.99, 203,561.57 and 122,234.51
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Solution
The fourth proportional to 136,418.99, 203,561.57 and 122,234.51 is: 182,395.80
Step by Step Solution
- Step 1: Write the proportion equation
136,418.99 : 203,561.57 = 122,234.51 : x - Step 2: Convert to fraction form
136,418.99/203,561.57 = 122,234.51/x - Step 3: Cross multiply
136,418.99x = 203,561.57 × 122,234.51 - Step 4: Simplify right side
136,418.99x = 24,882,249,578.27 - Step 5: Solve for x
x = 24,882,249,578.27/136,418.99 - Step 6: Final answer
x = 182,395.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.