Finding the Fourth Proportional to 198,692.60, 274,202.99 and 113,826.07
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Solution
The fourth proportional to 198,692.60, 274,202.99 and 113,826.07 is: 157,084.10
Step by Step Solution
- Step 1: Write the proportion equation
198,692.60 : 274,202.99 = 113,826.07 : x - Step 2: Convert to fraction form
198,692.60/274,202.99 = 113,826.07/x - Step 3: Cross multiply
198,692.60x = 274,202.99 × 113,826.07 - Step 4: Simplify right side
198,692.60x = 31,211,448,733.95 - Step 5: Solve for x
x = 31,211,448,733.95/198,692.60 - Step 6: Final answer
x = 157,084.10
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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.