Finding the Fourth Proportional to 77,201.26, 115,811.24 and 27,271.14
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Solution
The fourth proportional to 77,201.26, 115,811.24 and 27,271.14 is: 40,910.01
Step by Step Solution
- Step 1: Write the proportion equation
77,201.26 : 115,811.24 = 27,271.14 : x - Step 2: Convert to fraction form
77,201.26/115,811.24 = 27,271.14/x - Step 3: Cross multiply
77,201.26x = 115,811.24 × 27,271.14 - Step 4: Simplify right side
77,201.26x = 3,158,304,620.40 - Step 5: Solve for x
x = 3,158,304,620.40/77,201.26 - Step 6: Final answer
x = 40,910.01
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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.