Finding the Fourth Proportional to 214,771.39, 296,385.21 and 119,278.09
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Solution
The fourth proportional to 214,771.39, 296,385.21 and 119,278.09 is: 164,604.15
Step by Step Solution
- Step 1: Write the proportion equation
214,771.39 : 296,385.21 = 119,278.09 : x - Step 2: Convert to fraction form
214,771.39/296,385.21 = 119,278.09/x - Step 3: Cross multiply
214,771.39x = 296,385.21 × 119,278.09 - Step 4: Simplify right side
214,771.39x = 35,352,261,012.09 - Step 5: Solve for x
x = 35,352,261,012.09/214,771.39 - Step 6: Final answer
x = 164,604.15
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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.