Finding the Fourth Proportional to 68,371.22, 102,548.58 and 18,447.50
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Solution
The fourth proportional to 68,371.22, 102,548.58 and 18,447.50 is: 27,669.02
Step by Step Solution
- Step 1: Write the proportion equation
68,371.22 : 102,548.58 = 18,447.50 : x - Step 2: Convert to fraction form
68,371.22/102,548.58 = 18,447.50/x - Step 3: Cross multiply
68,371.22x = 102,548.58 × 18,447.50 - Step 4: Simplify right side
68,371.22x = 1,891,764,929.55 - Step 5: Solve for x
x = 1,891,764,929.55/68,371.22 - Step 6: Final answer
x = 27,669.02
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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.