Finding the Fourth Proportional to 135,276.48, 202,949.32 and 79,163.84
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Solution
The fourth proportional to 135,276.48, 202,949.32 and 79,163.84 is: 118,766.01
Step by Step Solution
- Step 1: Write the proportion equation
135,276.48 : 202,949.32 = 79,163.84 : x - Step 2: Convert to fraction form
135,276.48/202,949.32 = 79,163.84/x - Step 3: Cross multiply
135,276.48x = 202,949.32 × 79,163.84 - Step 4: Simplify right side
135,276.48x = 16,066,247,496.59 - Step 5: Solve for x
x = 16,066,247,496.59/135,276.48 - Step 6: Final answer
x = 118,766.01
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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.