Finding the Fourth Proportional to 215,307.18, 297,121.77 and 119,812.23
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Solution
The fourth proportional to 215,307.18, 297,121.77 and 119,812.23 is: 165,339.69
Step by Step Solution
- Step 1: Write the proportion equation
215,307.18 : 297,121.77 = 119,812.23 : x - Step 2: Convert to fraction form
215,307.18/297,121.77 = 119,812.23/x - Step 3: Cross multiply
215,307.18x = 297,121.77 × 119,812.23 - Step 4: Simplify right side
215,307.18x = 35,598,821,845.25 - Step 5: Solve for x
x = 35,598,821,845.25/215,307.18 - Step 6: Final answer
x = 165,339.69
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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.