Finding the Fourth Proportional to 86,180.36, 129,266.78 and 27,014.68
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Solution
The fourth proportional to 86,180.36, 129,266.78 and 27,014.68 is: 40,520.84
Step by Step Solution
- Step 1: Write the proportion equation
86,180.36 : 129,266.78 = 27,014.68 : x - Step 2: Convert to fraction form
86,180.36/129,266.78 = 27,014.68/x - Step 3: Cross multiply
86,180.36x = 129,266.78 × 27,014.68 - Step 4: Simplify right side
86,180.36x = 3,492,100,696.33 - Step 5: Solve for x
x = 3,492,100,696.33/86,180.36 - Step 6: Final answer
x = 40,520.84
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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.