Finding the Fourth Proportional to 188,138.36, 282,204.68 and 130,382.32
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Solution
The fourth proportional to 188,138.36, 282,204.68 and 130,382.32 is: 195,571.50
Step by Step Solution
- Step 1: Write the proportion equation
188,138.36 : 282,204.68 = 130,382.32 : x - Step 2: Convert to fraction form
188,138.36/282,204.68 = 130,382.32/x - Step 3: Cross multiply
188,138.36x = 282,204.68 × 130,382.32 - Step 4: Simplify right side
188,138.36x = 36,794,500,893.26 - Step 5: Solve for x
x = 36,794,500,893.26/188,138.36 - Step 6: Final answer
x = 195,571.50
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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.