Finding the Fourth Proportional to 202,120.99, 303,391.76 and 148,873.09
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Solution
The fourth proportional to 202,120.99, 303,391.76 and 148,873.09 is: 223,464.51
Step by Step Solution
- Step 1: Write the proportion equation
202,120.99 : 303,391.76 = 148,873.09 : x - Step 2: Convert to fraction form
202,120.99/303,391.76 = 148,873.09/x - Step 3: Cross multiply
202,120.99x = 303,391.76 × 148,873.09 - Step 4: Simplify right side
202,120.99x = 45,166,868,791.74 - Step 5: Solve for x
x = 45,166,868,791.74/202,120.99 - Step 6: Final answer
x = 223,464.51
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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.