Finding the Fourth Proportional to 218,187.42, 301,096.74 and 122,692.08
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Solution
The fourth proportional to 218,187.42, 301,096.74 and 122,692.08 is: 169,314.00
Step by Step Solution
- Step 1: Write the proportion equation
218,187.42 : 301,096.74 = 122,692.08 : x - Step 2: Convert to fraction form
218,187.42/301,096.74 = 122,692.08/x - Step 3: Cross multiply
218,187.42x = 301,096.74 × 122,692.08 - Step 4: Simplify right side
218,187.42x = 36,942,185,311.82 - Step 5: Solve for x
x = 36,942,185,311.82/218,187.42 - Step 6: Final answer
x = 169,314.00
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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.