Finding the Fourth Proportional to 127,230.70, 190,846.05 and 44,133.10
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Solution
The fourth proportional to 127,230.70, 190,846.05 and 44,133.10 is: 66,199.65
Step by Step Solution
- Step 1: Write the proportion equation
127,230.70 : 190,846.05 = 44,133.10 : x - Step 2: Convert to fraction form
127,230.70/190,846.05 = 44,133.10/x - Step 3: Cross multiply
127,230.70x = 190,846.05 × 44,133.10 - Step 4: Simplify right side
127,230.70x = 8,422,627,809.26 - Step 5: Solve for x
x = 8,422,627,809.26/127,230.70 - Step 6: Final answer
x = 66,199.65
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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.