Finding the Fourth Proportional to 366,939.80, 512,609.80 and 366,939.80
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Solution
The fourth proportional to 366,939.80, 512,609.80 and 366,939.80 is: 512,609.80
Step by Step Solution
- Step 1: Write the proportion equation
366,939.80 : 512,609.80 = 366,939.80 : x - Step 2: Convert to fraction form
366,939.80/512,609.80 = 366,939.80/x - Step 3: Cross multiply
366,939.80x = 512,609.80 × 366,939.80 - Step 4: Simplify right side
366,939.80x = 188,096,937,490.04 - Step 5: Solve for x
x = 188,096,937,490.04/366,939.80 - Step 6: Final answer
x = 512,609.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.