Finding the Fourth Proportional to 202,945.80, 304,418.70 and 197,761.80
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Solution
The fourth proportional to 202,945.80, 304,418.70 and 197,761.80 is: 296,642.70
Step by Step Solution
- Step 1: Write the proportion equation
202,945.80 : 304,418.70 = 197,761.80 : x - Step 2: Convert to fraction form
202,945.80/304,418.70 = 197,761.80/x - Step 3: Cross multiply
202,945.80x = 304,418.70 × 197,761.80 - Step 4: Simplify right side
202,945.80x = 60,202,390,065.66 - Step 5: Solve for x
x = 60,202,390,065.66/202,945.80 - Step 6: Final answer
x = 296,642.70
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1.5x scale
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.