Finding the Fourth Proportional to 237,419.88, 327,639.48 and 129,996.84
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Solution
The fourth proportional to 237,419.88, 327,639.48 and 129,996.84 is: 179,395.66
Step by Step Solution
- Step 1: Write the proportion equation
237,419.88 : 327,639.48 = 129,996.84 : x - Step 2: Convert to fraction form
237,419.88/327,639.48 = 129,996.84/x - Step 3: Cross multiply
237,419.88x = 327,639.48 × 129,996.84 - Step 4: Simplify right side
237,419.88x = 42,592,097,059.24 - Step 5: Solve for x
x = 42,592,097,059.24/237,419.88 - Step 6: Final answer
x = 179,395.66
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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.