Finding the Fourth Proportional to 202,262.70, 303,515.55 and 83,921.70
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Solution
The fourth proportional to 202,262.70, 303,515.55 and 83,921.70 is: 125,932.96
Step by Step Solution
- Step 1: Write the proportion equation
202,262.70 : 303,515.55 = 83,921.70 : x - Step 2: Convert to fraction form
202,262.70/303,515.55 = 83,921.70/x - Step 3: Cross multiply
202,262.70x = 303,515.55 × 83,921.70 - Step 4: Simplify right side
202,262.70x = 25,471,540,932.44 - Step 5: Solve for x
x = 25,471,540,932.44/202,262.70 - Step 6: Final answer
x = 125,932.96
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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.