Finding the Fourth Proportional to 218,189.70, 327,138.75 and 176,121.54
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Solution
The fourth proportional to 218,189.70, 327,138.75 and 176,121.54 is: 264,064.62
Step by Step Solution
- Step 1: Write the proportion equation
218,189.70 : 327,138.75 = 176,121.54 : x - Step 2: Convert to fraction form
218,189.70/327,138.75 = 176,121.54/x - Step 3: Cross multiply
218,189.70x = 327,138.75 × 176,121.54 - Step 4: Simplify right side
218,189.70x = 57,616,180,443.68 - Step 5: Solve for x
x = 57,616,180,443.68/218,189.70 - Step 6: Final answer
x = 264,064.62
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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.