Finding the Fourth Proportional to 371,154.87, 557,012.19 and 271,571.99
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Solution
The fourth proportional to 371,154.87, 557,012.19 and 271,571.99 is: 407,562.77
Step by Step Solution
- Step 1: Write the proportion equation
371,154.87 : 557,012.19 = 271,571.99 : x - Step 2: Convert to fraction form
371,154.87/557,012.19 = 271,571.99/x - Step 3: Cross multiply
371,154.87x = 557,012.19 × 271,571.99 - Step 4: Simplify right side
371,154.87x = 151,268,906,107.50 - Step 5: Solve for x
x = 151,268,906,107.50/371,154.87 - Step 6: Final answer
x = 407,562.77
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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.