Finding the Fourth Proportional to 321,597.12, 482,350.99 and 225,242.49
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Solution
The fourth proportional to 321,597.12, 482,350.99 and 225,242.49 is: 337,832.43
Step by Step Solution
- Step 1: Write the proportion equation
321,597.12 : 482,350.99 = 225,242.49 : x - Step 2: Convert to fraction form
321,597.12/482,350.99 = 225,242.49/x - Step 3: Cross multiply
321,597.12x = 482,350.99 × 225,242.49 - Step 4: Simplify right side
321,597.12x = 108,645,938,041.57 - Step 5: Solve for x
x = 108,645,938,041.57/321,597.12 - Step 6: Final answer
x = 337,832.43
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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.