Finding the Fourth Proportional to 202,403.61, 303,790.64 and 102,632.67
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Solution
The fourth proportional to 202,403.61, 303,790.64 and 102,632.67 is: 154,042.92
Step by Step Solution
- Step 1: Write the proportion equation
202,403.61 : 303,790.64 = 102,632.67 : x - Step 2: Convert to fraction form
202,403.61/303,790.64 = 102,632.67/x - Step 3: Cross multiply
202,403.61x = 303,790.64 × 102,632.67 - Step 4: Simplify right side
202,403.61x = 31,178,843,991.05 - Step 5: Solve for x
x = 31,178,843,991.05/202,403.61 - Step 6: Final answer
x = 154,042.92
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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.