Finding the Fourth Proportional to 394,944.24, 593,699.40 and 316,912.08
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Solution
The fourth proportional to 394,944.24, 593,699.40 and 316,912.08 is: 476,397.66
Step by Step Solution
- Step 1: Write the proportion equation
394,944.24 : 593,699.40 = 316,912.08 : x - Step 2: Convert to fraction form
394,944.24/593,699.40 = 316,912.08/x - Step 3: Cross multiply
394,944.24x = 593,699.40 × 316,912.08 - Step 4: Simplify right side
394,944.24x = 188,150,511,748.75 - Step 5: Solve for x
x = 188,150,511,748.75/394,944.24 - Step 6: Final answer
x = 476,397.66
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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.