Finding the Fourth Proportional to 135,163.80, 202,604.64 and 60,318.96
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Solution
The fourth proportional to 135,163.80, 202,604.64 and 60,318.96 is: 90,415.49
Step by Step Solution
- Step 1: Write the proportion equation
135,163.80 : 202,604.64 = 60,318.96 : x - Step 2: Convert to fraction form
135,163.80/202,604.64 = 60,318.96/x - Step 3: Cross multiply
135,163.80x = 202,604.64 × 60,318.96 - Step 4: Simplify right side
135,163.80x = 12,220,901,175.97 - Step 5: Solve for x
x = 12,220,901,175.97/135,163.80 - Step 6: Final answer
x = 90,415.49
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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.