Finding the Fourth Proportional to 190,203.92, 285,198.99 and 130,299.94
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Solution
The fourth proportional to 190,203.92, 285,198.99 and 130,299.94 is: 195,376.68
Step by Step Solution
- Step 1: Write the proportion equation
190,203.92 : 285,198.99 = 130,299.94 : x - Step 2: Convert to fraction form
190,203.92/285,198.99 = 130,299.94/x - Step 3: Cross multiply
190,203.92x = 285,198.99 × 130,299.94 - Step 4: Simplify right side
190,203.92x = 37,161,409,859.07 - Step 5: Solve for x
x = 37,161,409,859.07/190,203.92 - Step 6: Final answer
x = 195,376.68
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1.5x scale
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.