Finding the Fourth Proportional to 147,212.24, 203,157.84 and 82,692.88
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Solution
The fourth proportional to 147,212.24, 203,157.84 and 82,692.88 is: 114,118.95
Step by Step Solution
- Step 1: Write the proportion equation
147,212.24 : 203,157.84 = 82,692.88 : x - Step 2: Convert to fraction form
147,212.24/203,157.84 = 82,692.88/x - Step 3: Cross multiply
147,212.24x = 203,157.84 × 82,692.88 - Step 4: Simplify right side
147,212.24x = 16,799,706,884.18 - Step 5: Solve for x
x = 16,799,706,884.18/147,212.24 - Step 6: Final answer
x = 114,118.95
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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.