Finding the Fourth Proportional to 252,299.34, 378,396.63 and 74,764.62
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Solution
The fourth proportional to 252,299.34, 378,396.63 and 74,764.62 is: 112,131.41
Step by Step Solution
- Step 1: Write the proportion equation
252,299.34 : 378,396.63 = 74,764.62 : x - Step 2: Convert to fraction form
252,299.34/378,396.63 = 74,764.62/x - Step 3: Cross multiply
252,299.34x = 378,396.63 × 74,764.62 - Step 4: Simplify right side
252,299.34x = 28,290,680,251.23 - Step 5: Solve for x
x = 28,290,680,251.23/252,299.34 - Step 6: Final answer
x = 112,131.41
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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.