Finding the Fourth Proportional to 218,187.42, 301,096.75 and 122,692.07
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Solution
The fourth proportional to 218,187.42, 301,096.75 and 122,692.07 is: 169,313.99
Step by Step Solution
- Step 1: Write the proportion equation
218,187.42 : 301,096.75 = 122,692.07 : x - Step 2: Convert to fraction form
218,187.42/301,096.75 = 122,692.07/x - Step 3: Cross multiply
218,187.42x = 301,096.75 × 122,692.07 - Step 4: Simplify right side
218,187.42x = 36,942,183,527.77 - Step 5: Solve for x
x = 36,942,183,527.77/218,187.42 - Step 6: Final answer
x = 169,313.99
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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.