Finding the Fourth Proportional to 194,213.28, 268,014.76 and 108,171.56
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Solution
The fourth proportional to 194,213.28, 268,014.76 and 108,171.56 is: 149,276.99
Step by Step Solution
- Step 1: Write the proportion equation
194,213.28 : 268,014.76 = 108,171.56 : x - Step 2: Convert to fraction form
194,213.28/268,014.76 = 108,171.56/x - Step 3: Cross multiply
194,213.28x = 268,014.76 × 108,171.56 - Step 4: Simplify right side
194,213.28x = 28,991,574,692.23 - Step 5: Solve for x
x = 28,991,574,692.23/194,213.28 - Step 6: Final answer
x = 149,276.99
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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.