Finding the Fourth Proportional to 127,033.43, 190,550.15 and 33,539.99
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Solution
The fourth proportional to 127,033.43, 190,550.15 and 33,539.99 is: 50,309.99
Step by Step Solution
- Step 1: Write the proportion equation
127,033.43 : 190,550.15 = 33,539.99 : x - Step 2: Convert to fraction form
127,033.43/190,550.15 = 33,539.99/x - Step 3: Cross multiply
127,033.43x = 190,550.15 × 33,539.99 - Step 4: Simplify right side
127,033.43x = 6,391,050,685.72 - Step 5: Solve for x
x = 6,391,050,685.72/127,033.43 - Step 6: Final answer
x = 50,309.99
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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.