Finding the Fourth Proportional to 372,022.96, 557,706.12 and 135,324.22
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Solution
The fourth proportional to 372,022.96, 557,706.12 and 135,324.22 is: 202,866.90
Step by Step Solution
- Step 1: Write the proportion equation
372,022.96 : 557,706.12 = 135,324.22 : x - Step 2: Convert to fraction form
372,022.96/557,706.12 = 135,324.22/x - Step 3: Cross multiply
372,022.96x = 557,706.12 × 135,324.22 - Step 4: Simplify right side
372,022.96x = 75,471,145,678.23 - Step 5: Solve for x
x = 75,471,145,678.23/372,022.96 - Step 6: Final answer
x = 202,866.90
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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.