Finding the Fourth Proportional to 135,153.73, 202,759.22 and 40,391.29
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Solution
The fourth proportional to 135,153.73, 202,759.22 and 40,391.29 is: 60,595.49
Step by Step Solution
- Step 1: Write the proportion equation
135,153.73 : 202,759.22 = 40,391.29 : x - Step 2: Convert to fraction form
135,153.73/202,759.22 = 40,391.29/x - Step 3: Cross multiply
135,153.73x = 202,759.22 × 40,391.29 - Step 4: Simplify right side
135,153.73x = 8,189,706,455.19 - Step 5: Solve for x
x = 8,189,706,455.19/135,153.73 - Step 6: Final answer
x = 60,595.49
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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.