Finding the Fourth Proportional to 135,294.15, 202,942.62 and 60,418.11
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Solution
The fourth proportional to 135,294.15, 202,942.62 and 60,418.11 is: 90,627.79
Step by Step Solution
- Step 1: Write the proportion equation
135,294.15 : 202,942.62 = 60,418.11 : x - Step 2: Convert to fraction form
135,294.15/202,942.62 = 60,418.11/x - Step 3: Cross multiply
135,294.15x = 202,942.62 × 60,418.11 - Step 4: Simplify right side
135,294.15x = 12,261,409,538.85 - Step 5: Solve for x
x = 12,261,409,538.85/135,294.15 - Step 6: Final answer
x = 90,627.79
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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.