Finding the Fourth Proportional to 68,797.13, 103,188.77 and 18,882.26
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Solution
The fourth proportional to 68,797.13, 103,188.77 and 18,882.26 is: 28,321.48
Step by Step Solution
- Step 1: Write the proportion equation
68,797.13 : 103,188.77 = 18,882.26 : x - Step 2: Convert to fraction form
68,797.13/103,188.77 = 18,882.26/x - Step 3: Cross multiply
68,797.13x = 103,188.77 × 18,882.26 - Step 4: Simplify right side
68,797.13x = 1,948,436,573.87 - Step 5: Solve for x
x = 1,948,436,573.87/68,797.13 - Step 6: Final answer
x = 28,321.48
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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.