Finding the Fourth Proportional to 194,382.68, 268,243.02 and 109,494.68
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Solution
The fourth proportional to 194,382.68, 268,243.02 and 109,494.68 is: 151,099.80
Step by Step Solution
- Step 1: Write the proportion equation
194,382.68 : 268,243.02 = 109,494.68 : x - Step 2: Convert to fraction form
194,382.68/268,243.02 = 109,494.68/x - Step 3: Cross multiply
194,382.68x = 268,243.02 × 109,494.68 - Step 4: Simplify right side
194,382.68x = 29,371,183,637.13 - Step 5: Solve for x
x = 29,371,183,637.13/194,382.68 - Step 6: Final answer
x = 151,099.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.