Finding the Fourth Proportional to 140,915.11, 211,380.09 and 35,734.99
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Solution
The fourth proportional to 140,915.11, 211,380.09 and 35,734.99 is: 53,604.37
Step by Step Solution
- Step 1: Write the proportion equation
140,915.11 : 211,380.09 = 35,734.99 : x - Step 2: Convert to fraction form
140,915.11/211,380.09 = 35,734.99/x - Step 3: Cross multiply
140,915.11x = 211,380.09 × 35,734.99 - Step 4: Simplify right side
140,915.11x = 7,553,665,402.35 - Step 5: Solve for x
x = 7,553,665,402.35/140,915.11 - Step 6: Final answer
x = 53,604.37
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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.