Finding the Fourth Proportional to 127,220.70, 190,918.50 and 44,114.70
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Solution
The fourth proportional to 127,220.70, 190,918.50 and 44,114.70 is: 66,202.37
Step by Step Solution
- Step 1: Write the proportion equation
127,220.70 : 190,918.50 = 44,114.70 : x - Step 2: Convert to fraction form
127,220.70/190,918.50 = 44,114.70/x - Step 3: Cross multiply
127,220.70x = 190,918.50 × 44,114.70 - Step 4: Simplify right side
127,220.70x = 8,422,312,351.95 - Step 5: Solve for x
x = 8,422,312,351.95/127,220.70 - Step 6: Final answer
x = 66,202.37
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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.