Finding the Fourth Proportional to 198,692.13, 274,202.36 and 113,825.60
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Solution
The fourth proportional to 198,692.13, 274,202.36 and 113,825.60 is: 157,083.45
Step by Step Solution
- Step 1: Write the proportion equation
198,692.13 : 274,202.36 = 113,825.60 : x - Step 2: Convert to fraction form
198,692.13/274,202.36 = 113,825.60/x - Step 3: Cross multiply
198,692.13x = 274,202.36 × 113,825.60 - Step 4: Simplify right side
198,692.13x = 31,211,246,208.28 - Step 5: Solve for x
x = 31,211,246,208.28/198,692.13 - Step 6: Final answer
x = 157,083.45
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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.