Finding the Fourth Proportional to 509,571.70, 764,163.15 and 154,467.70
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Solution
The fourth proportional to 509,571.70, 764,163.15 and 154,467.70 is: 231,642.62
Step by Step Solution
- Step 1: Write the proportion equation
509,571.70 : 764,163.15 = 154,467.70 : x - Step 2: Convert to fraction form
509,571.70/764,163.15 = 154,467.70/x - Step 3: Cross multiply
509,571.70x = 764,163.15 × 154,467.70 - Step 4: Simplify right side
509,571.70x = 118,038,524,205.26 - Step 5: Solve for x
x = 118,038,524,205.26/509,571.70 - Step 6: Final answer
x = 231,642.62
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1.5x scale
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.