Finding the Fourth Proportional to 308,804.50, 425,811.81 and 201,174.94
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Solution
The fourth proportional to 308,804.50, 425,811.81 and 201,174.94 is: 277,400.96
Step by Step Solution
- Step 1: Write the proportion equation
308,804.50 : 425,811.81 = 201,174.94 : x - Step 2: Convert to fraction form
308,804.50/425,811.81 = 201,174.94/x - Step 3: Cross multiply
308,804.50x = 425,811.81 × 201,174.94 - Step 4: Simplify right side
308,804.50x = 85,662,665,328.04 - Step 5: Solve for x
x = 85,662,665,328.04/308,804.50 - Step 6: Final answer
x = 277,400.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.