Finding the Fourth Proportional to 237,186.17, 327,324.66 and 129,756.21
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Solution
The fourth proportional to 237,186.17, 327,324.66 and 129,756.21 is: 179,067.81
Step by Step Solution
- Step 1: Write the proportion equation
237,186.17 : 327,324.66 = 129,756.21 : x - Step 2: Convert to fraction form
237,186.17/327,324.66 = 129,756.21/x - Step 3: Cross multiply
237,186.17x = 327,324.66 × 129,756.21 - Step 4: Simplify right side
237,186.17x = 42,472,407,321.14 - Step 5: Solve for x
x = 42,472,407,321.14/237,186.17 - Step 6: Final answer
x = 179,067.81
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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.