Finding the Fourth Proportional to 274,171.98, 378,452.58 and 188,414.88
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Solution
The fourth proportional to 274,171.98, 378,452.58 and 188,414.88 is: 260,077.99
Step by Step Solution
- Step 1: Write the proportion equation
274,171.98 : 378,452.58 = 188,414.88 : x - Step 2: Convert to fraction form
274,171.98/378,452.58 = 188,414.88/x - Step 3: Cross multiply
274,171.98x = 378,452.58 × 188,414.88 - Step 4: Simplify right side
274,171.98x = 71,306,097,446.39 - Step 5: Solve for x
x = 71,306,097,446.39/274,171.98 - Step 6: Final answer
x = 260,077.99
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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.