Finding the Fourth Proportional to 203,059.50, 304,695.81 and 83,205.42
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Solution
The fourth proportional to 203,059.50, 304,695.81 and 83,205.42 is: 124,851.79
Step by Step Solution
- Step 1: Write the proportion equation
203,059.50 : 304,695.81 = 83,205.42 : x - Step 2: Convert to fraction form
203,059.50/304,695.81 = 83,205.42/x - Step 3: Cross multiply
203,059.50x = 304,695.81 × 83,205.42 - Step 4: Simplify right side
203,059.50x = 25,352,342,843.29 - Step 5: Solve for x
x = 25,352,342,843.29/203,059.50 - Step 6: Final answer
x = 124,851.79
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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.