Finding the Fourth Proportional to 303,813.55, 419,249.92 and 174,742.28
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Solution
The fourth proportional to 303,813.55, 419,249.92 and 174,742.28 is: 241,136.99
Step by Step Solution
- Step 1: Write the proportion equation
303,813.55 : 419,249.92 = 174,742.28 : x - Step 2: Convert to fraction form
303,813.55/419,249.92 = 174,742.28/x - Step 3: Cross multiply
303,813.55x = 419,249.92 × 174,742.28 - Step 4: Simplify right side
303,813.55x = 73,260,683,940.66 - Step 5: Solve for x
x = 73,260,683,940.66/303,813.55 - Step 6: Final answer
x = 241,136.99
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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.