Finding the Fourth Proportional to 215,367.45, 297,207.09 and 119,872.09
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Solution
The fourth proportional to 215,367.45, 297,207.09 and 119,872.09 is: 165,423.49
Step by Step Solution
- Step 1: Write the proportion equation
215,367.45 : 297,207.09 = 119,872.09 : x - Step 2: Convert to fraction form
215,367.45/297,207.09 = 119,872.09/x - Step 3: Cross multiply
215,367.45x = 297,207.09 × 119,872.09 - Step 4: Simplify right side
215,367.45x = 35,626,835,041.12 - Step 5: Solve for x
x = 35,626,835,041.12/215,367.45 - Step 6: Final answer
x = 165,423.49
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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.