Finding the Fourth Proportional to 202,991.08, 303,879.97 and 122,786.32
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Solution
The fourth proportional to 202,991.08, 303,879.97 and 122,786.32 is: 183,812.53
Step by Step Solution
- Step 1: Write the proportion equation
202,991.08 : 303,879.97 = 122,786.32 : x - Step 2: Convert to fraction form
202,991.08/303,879.97 = 122,786.32/x - Step 3: Cross multiply
202,991.08x = 303,879.97 × 122,786.32 - Step 4: Simplify right side
202,991.08x = 37,312,303,771.34 - Step 5: Solve for x
x = 37,312,303,771.34/202,991.08 - Step 6: Final answer
x = 183,812.53
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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.