Finding the Fourth Proportional to 397,446.18, 548,313.93 and 225,327.84
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Solution
The fourth proportional to 397,446.18, 548,313.93 and 225,327.84 is: 310,860.69
Step by Step Solution
- Step 1: Write the proportion equation
397,446.18 : 548,313.93 = 225,327.84 : x - Step 2: Convert to fraction form
397,446.18/548,313.93 = 225,327.84/x - Step 3: Cross multiply
397,446.18x = 548,313.93 × 225,327.84 - Step 4: Simplify right side
397,446.18x = 123,550,393,488.81 - Step 5: Solve for x
x = 123,550,393,488.81/397,446.18 - Step 6: Final answer
x = 310,860.69
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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.