Finding the Fourth Proportional to 127,119.24, 190,680.18 and 38,373.48
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Solution
The fourth proportional to 127,119.24, 190,680.18 and 38,373.48 is: 57,560.62
Step by Step Solution
- Step 1: Write the proportion equation
127,119.24 : 190,680.18 = 38,373.48 : x - Step 2: Convert to fraction form
127,119.24/190,680.18 = 38,373.48/x - Step 3: Cross multiply
127,119.24x = 190,680.18 × 38,373.48 - Step 4: Simplify right side
127,119.24x = 7,317,062,073.63 - Step 5: Solve for x
x = 7,317,062,073.63/127,119.24 - Step 6: Final answer
x = 57,560.62
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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.