Finding the Fourth Proportional to 135,104.85, 202,668.53 and 40,328.78
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Solution
The fourth proportional to 135,104.85, 202,668.53 and 40,328.78 is: 60,496.52
Step by Step Solution
- Step 1: Write the proportion equation
135,104.85 : 202,668.53 = 40,328.78 : x - Step 2: Convert to fraction form
135,104.85/202,668.53 = 40,328.78/x - Step 3: Cross multiply
135,104.85x = 202,668.53 × 40,328.78 - Step 4: Simplify right side
135,104.85x = 8,173,373,344.31 - Step 5: Solve for x
x = 8,173,373,344.31/135,104.85 - Step 6: Final answer
x = 60,496.52
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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.