Finding the Fourth Proportional to 202,370.10, 303,749.55 and 102,642.90
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Solution
The fourth proportional to 202,370.10, 303,749.55 and 102,642.90 is: 154,062.95
Step by Step Solution
- Step 1: Write the proportion equation
202,370.10 : 303,749.55 = 102,642.90 : x - Step 2: Convert to fraction form
202,370.10/303,749.55 = 102,642.90/x - Step 3: Cross multiply
202,370.10x = 303,749.55 × 102,642.90 - Step 4: Simplify right side
202,370.10x = 31,177,734,685.70 - Step 5: Solve for x
x = 31,177,734,685.70/202,370.10 - Step 6: Final answer
x = 154,062.95
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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.