Finding the Fourth Proportional to 252,173.28, 378,315.26 and 74,694.18
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Solution
The fourth proportional to 252,173.28, 378,315.26 and 74,694.18 is: 112,057.66
Step by Step Solution
- Step 1: Write the proportion equation
252,173.28 : 378,315.26 = 74,694.18 : x - Step 2: Convert to fraction form
252,173.28/378,315.26 = 74,694.18/x - Step 3: Cross multiply
252,173.28x = 378,315.26 × 74,694.18 - Step 4: Simplify right side
252,173.28x = 28,257,948,127.19 - Step 5: Solve for x
x = 28,257,948,127.19/252,173.28 - Step 6: Final answer
x = 112,057.66
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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.