Finding the Fourth Proportional to 237,419.44, 327,639.36 and 129,996.52
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Solution
The fourth proportional to 237,419.44, 327,639.36 and 129,996.52 is: 179,395.49
Step by Step Solution
- Step 1: Write the proportion equation
237,419.44 : 327,639.36 = 129,996.52 : x - Step 2: Convert to fraction form
237,419.44/327,639.36 = 129,996.52/x - Step 3: Cross multiply
237,419.44x = 327,639.36 × 129,996.52 - Step 4: Simplify right side
237,419.44x = 42,591,976,615.03 - Step 5: Solve for x
x = 42,591,976,615.03/237,419.44 - Step 6: Final answer
x = 179,395.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.