Finding the Fourth Proportional to 672,231.12, 927,635.28 and 370,425.12
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Solution
The fourth proportional to 672,231.12, 927,635.28 and 370,425.12 is: 511,162.60
Step by Step Solution
- Step 1: Write the proportion equation
672,231.12 : 927,635.28 = 370,425.12 : x - Step 2: Convert to fraction form
672,231.12/927,635.28 = 370,425.12/x - Step 3: Cross multiply
672,231.12x = 927,635.28 × 370,425.12 - Step 4: Simplify right side
672,231.12x = 343,619,409,910.23 - Step 5: Solve for x
x = 343,619,409,910.23/672,231.12 - Step 6: Final answer
x = 511,162.60
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1.5x scale
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.