Finding the Fourth Proportional to 68,926.88, 103,324.66 and 22,146.92
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Solution
The fourth proportional to 68,926.88, 103,324.66 and 22,146.92 is: 33,199.28
Step by Step Solution
- Step 1: Write the proportion equation
68,926.88 : 103,324.66 = 22,146.92 : x - Step 2: Convert to fraction form
68,926.88/103,324.66 = 22,146.92/x - Step 3: Cross multiply
68,926.88x = 103,324.66 × 22,146.92 - Step 4: Simplify right side
68,926.88x = 2,288,322,979.05 - Step 5: Solve for x
x = 2,288,322,979.05/68,926.88 - Step 6: Final answer
x = 33,199.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.