Finding the Fourth Proportional to 202,400.36, 303,615.18 and 77,741.36
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Solution
The fourth proportional to 202,400.36, 303,615.18 and 77,741.36 is: 116,617.66
Step by Step Solution
- Step 1: Write the proportion equation
202,400.36 : 303,615.18 = 77,741.36 : x - Step 2: Convert to fraction form
202,400.36/303,615.18 = 77,741.36/x - Step 3: Cross multiply
202,400.36x = 303,615.18 × 77,741.36 - Step 4: Simplify right side
202,400.36x = 23,603,457,009.84 - Step 5: Solve for x
x = 23,603,457,009.84/202,400.36 - Step 6: Final answer
x = 116,617.66
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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.