Finding the Fourth Proportional to 77,253.40, 115,882.26 and 27,326.44
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Solution
The fourth proportional to 77,253.40, 115,882.26 and 27,326.44 is: 40,990.42
Step by Step Solution
- Step 1: Write the proportion equation
77,253.40 : 115,882.26 = 27,326.44 : x - Step 2: Convert to fraction form
77,253.40/115,882.26 = 27,326.44/x - Step 3: Cross multiply
77,253.40x = 115,882.26 × 27,326.44 - Step 4: Simplify right side
77,253.40x = 3,166,649,624.95 - Step 5: Solve for x
x = 3,166,649,624.95/77,253.40 - Step 6: Final answer
x = 40,990.42
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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.