Finding the Fourth Proportional to 202,587.75, 279,571.10 and 113,163.75
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Solution
The fourth proportional to 202,587.75, 279,571.10 and 113,163.75 is: 156,165.98
Step by Step Solution
- Step 1: Write the proportion equation
202,587.75 : 279,571.10 = 113,163.75 : x - Step 2: Convert to fraction form
202,587.75/279,571.10 = 113,163.75/x - Step 3: Cross multiply
202,587.75x = 279,571.10 × 113,163.75 - Step 4: Simplify right side
202,587.75x = 31,637,313,501.81 - Step 5: Solve for x
x = 31,637,313,501.81/202,587.75 - Step 6: Final answer
x = 156,165.98
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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.