Finding the Fourth Proportional to 482,338.44, 664,860.10 and 380,198.28
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Solution
The fourth proportional to 482,338.44, 664,860.10 and 380,198.28 is: 524,069.09
Step by Step Solution
- Step 1: Write the proportion equation
482,338.44 : 664,860.10 = 380,198.28 : x - Step 2: Convert to fraction form
482,338.44/664,860.10 = 380,198.28/x - Step 3: Cross multiply
482,338.44x = 664,860.10 × 380,198.28 - Step 4: Simplify right side
482,338.44x = 252,778,666,460.63 - Step 5: Solve for x
x = 252,778,666,460.63/482,338.44 - Step 6: Final answer
x = 524,069.09
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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.