Finding the Fourth Proportional to 299,517.24, 449,151.66 and 121,903.68
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Solution
The fourth proportional to 299,517.24, 449,151.66 and 121,903.68 is: 182,804.97
Step by Step Solution
- Step 1: Write the proportion equation
299,517.24 : 449,151.66 = 121,903.68 : x - Step 2: Convert to fraction form
299,517.24/449,151.66 = 121,903.68/x - Step 3: Cross multiply
299,517.24x = 449,151.66 × 121,903.68 - Step 4: Simplify right side
299,517.24x = 54,753,240,232.11 - Step 5: Solve for x
x = 54,753,240,232.11/299,517.24 - Step 6: Final answer
x = 182,804.97
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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.