Finding the Fourth Proportional to 102,771.28, 154,156.99 and 27,891.44
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Solution
The fourth proportional to 102,771.28, 154,156.99 and 27,891.44 is: 41,837.18
Step by Step Solution
- Step 1: Write the proportion equation
102,771.28 : 154,156.99 = 27,891.44 : x - Step 2: Convert to fraction form
102,771.28/154,156.99 = 27,891.44/x - Step 3: Cross multiply
102,771.28x = 154,156.99 × 27,891.44 - Step 4: Simplify right side
102,771.28x = 4,299,660,437.17 - Step 5: Solve for x
x = 4,299,660,437.17/102,771.28 - Step 6: Final answer
x = 41,837.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.