Finding the Fourth Proportional to 127,273.80, 190,910.70 and 121,441.80
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Solution
The fourth proportional to 127,273.80, 190,910.70 and 121,441.80 is: 182,162.70
Step by Step Solution
- Step 1: Write the proportion equation
127,273.80 : 190,910.70 = 121,441.80 : x - Step 2: Convert to fraction form
127,273.80/190,910.70 = 121,441.80/x - Step 3: Cross multiply
127,273.80x = 190,910.70 × 121,441.80 - Step 4: Simplify right side
127,273.80x = 23,184,539,047.26 - Step 5: Solve for x
x = 23,184,539,047.26/127,273.80 - Step 6: Final answer
x = 182,162.70
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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.