Finding the Fourth Proportional to 383,282.88, 528,993.36 and 213,571.68
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Solution
The fourth proportional to 383,282.88, 528,993.36 and 213,571.68 is: 294,764.02
Step by Step Solution
- Step 1: Write the proportion equation
383,282.88 : 528,993.36 = 213,571.68 : x - Step 2: Convert to fraction form
383,282.88/528,993.36 = 213,571.68/x - Step 3: Cross multiply
383,282.88x = 528,993.36 × 213,571.68 - Step 4: Simplify right side
383,282.88x = 112,978,000,604.05 - Step 5: Solve for x
x = 112,978,000,604.05/383,282.88 - Step 6: Final answer
x = 294,764.02
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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.