Finding the Fourth Proportional to 369,336.87, 509,685.21 and 199,571.00
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Solution
The fourth proportional to 369,336.87, 509,685.21 and 199,571.00 is: 275,408.15
Step by Step Solution
- Step 1: Write the proportion equation
369,336.87 : 509,685.21 = 199,571.00 : x - Step 2: Convert to fraction form
369,336.87/509,685.21 = 199,571.00/x - Step 3: Cross multiply
369,336.87x = 509,685.21 × 199,571.00 - Step 4: Simplify right side
369,336.87x = 101,718,384,496.48 - Step 5: Solve for x
x = 101,718,384,496.48/369,336.87 - Step 6: Final answer
x = 275,408.15
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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.