Finding the Fourth Proportional to 202,339.70, 303,631.05 and 83,998.70
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Solution
The fourth proportional to 202,339.70, 303,631.05 and 83,998.70 is: 126,048.49
Step by Step Solution
- Step 1: Write the proportion equation
202,339.70 : 303,631.05 = 83,998.70 : x - Step 2: Convert to fraction form
202,339.70/303,631.05 = 83,998.70/x - Step 3: Cross multiply
202,339.70x = 303,631.05 × 83,998.70 - Step 4: Simplify right side
202,339.70x = 25,504,613,479.64 - Step 5: Solve for x
x = 25,504,613,479.64/202,339.70 - Step 6: Final answer
x = 126,048.49
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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.