Finding the Fourth Proportional to 86,460.95, 129,680.49 and 27,302.60
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Solution
The fourth proportional to 86,460.95, 129,680.49 and 27,302.60 is: 40,950.45
Step by Step Solution
- Step 1: Write the proportion equation
86,460.95 : 129,680.49 = 27,302.60 : x - Step 2: Convert to fraction form
86,460.95/129,680.49 = 27,302.60/x - Step 3: Cross multiply
86,460.95x = 129,680.49 × 27,302.60 - Step 4: Simplify right side
86,460.95x = 3,540,614,546.27 - Step 5: Solve for x
x = 3,540,614,546.27/86,460.95 - Step 6: Final answer
x = 40,950.45
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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.