Finding the Fourth Proportional to 202,480.40, 303,477.60 and 84,090.80
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Solution
The fourth proportional to 202,480.40, 303,477.60 and 84,090.80 is: 126,035.28
Step by Step Solution
- Step 1: Write the proportion equation
202,480.40 : 303,477.60 = 84,090.80 : x - Step 2: Convert to fraction form
202,480.40/303,477.60 = 84,090.80/x - Step 3: Cross multiply
202,480.40x = 303,477.60 × 84,090.80 - Step 4: Simplify right side
202,480.40x = 25,519,674,166.08 - Step 5: Solve for x
x = 25,519,674,166.08/202,480.40 - Step 6: Final answer
x = 126,035.28
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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.