Finding the Fourth Proportional to 215,375.46, 297,218.10 and 119,880.09
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Solution
The fourth proportional to 215,375.46, 297,218.10 and 119,880.09 is: 165,434.50
Step by Step Solution
- Step 1: Write the proportion equation
215,375.46 : 297,218.10 = 119,880.09 : x - Step 2: Convert to fraction form
215,375.46/297,218.10 = 119,880.09/x - Step 3: Cross multiply
215,375.46x = 297,218.10 × 119,880.09 - Step 4: Simplify right side
215,375.46x = 35,630,532,577.63 - Step 5: Solve for x
x = 35,630,532,577.63/215,375.46 - Step 6: Final answer
x = 165,434.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.