Finding the Fourth Proportional to 308,799.55, 425,804.97 and 201,169.99
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Solution
The fourth proportional to 308,799.55, 425,804.97 and 201,169.99 is: 277,394.13
Step by Step Solution
- Step 1: Write the proportion equation
308,799.55 : 425,804.97 = 201,169.99 : x - Step 2: Convert to fraction form
308,799.55/425,804.97 = 201,169.99/x - Step 3: Cross multiply
308,799.55x = 425,804.97 × 201,169.99 - Step 4: Simplify right side
308,799.55x = 85,659,180,492.34 - Step 5: Solve for x
x = 85,659,180,492.34/308,799.55 - Step 6: Final answer
x = 277,394.13
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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.