Finding the Fourth Proportional to 77,205.26, 115,817.24 and 27,275.14
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Solution
The fourth proportional to 77,205.26, 115,817.24 and 27,275.14 is: 40,916.01
Step by Step Solution
- Step 1: Write the proportion equation
77,205.26 : 115,817.24 = 27,275.14 : x - Step 2: Convert to fraction form
77,205.26/115,817.24 = 27,275.14/x - Step 3: Cross multiply
77,205.26x = 115,817.24 × 27,275.14 - Step 4: Simplify right side
77,205.26x = 3,158,931,316.08 - Step 5: Solve for x
x = 3,158,931,316.08/77,205.26 - Step 6: Final answer
x = 40,916.01
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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.