Finding the Fourth Proportional to 86,366.88, 129,538.02 and 27,201.02
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Solution
The fourth proportional to 86,366.88, 129,538.02 and 27,201.02 is: 40,797.65
Step by Step Solution
- Step 1: Write the proportion equation
86,366.88 : 129,538.02 = 27,201.02 : x - Step 2: Convert to fraction form
86,366.88/129,538.02 = 27,201.02/x - Step 3: Cross multiply
86,366.88x = 129,538.02 × 27,201.02 - Step 4: Simplify right side
86,366.88x = 3,523,565,625.09 - Step 5: Solve for x
x = 3,523,565,625.09/86,366.88 - Step 6: Final answer
x = 40,797.65
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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.