Finding the Fourth Proportional to 204,007.74, 306,528.27 and 129,163.08
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Solution
The fourth proportional to 204,007.74, 306,528.27 and 129,163.08 is: 194,071.73
Step by Step Solution
- Step 1: Write the proportion equation
204,007.74 : 306,528.27 = 129,163.08 : x - Step 2: Convert to fraction form
204,007.74/306,528.27 = 129,163.08/x - Step 3: Cross multiply
204,007.74x = 306,528.27 × 129,163.08 - Step 4: Simplify right side
204,007.74x = 39,592,135,460.27 - Step 5: Solve for x
x = 39,592,135,460.27/204,007.74 - Step 6: Final answer
x = 194,071.73
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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.