Finding the Fourth Proportional to 237,635.36, 327,935.43 and 128,741.81
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Solution
The fourth proportional to 237,635.36, 327,935.43 and 128,741.81 is: 177,662.95
Step by Step Solution
- Step 1: Write the proportion equation
237,635.36 : 327,935.43 = 128,741.81 : x - Step 2: Convert to fraction form
237,635.36/327,935.43 = 128,741.81/x - Step 3: Cross multiply
237,635.36x = 327,935.43 × 128,741.81 - Step 4: Simplify right side
237,635.36x = 42,218,999,181.65 - Step 5: Solve for x
x = 42,218,999,181.65/237,635.36 - Step 6: Final answer
x = 177,662.95
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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.