Finding the Fourth Proportional to 397,366.53, 548,349.12 and 225,296.07
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Solution
The fourth proportional to 397,366.53, 548,349.12 and 225,296.07 is: 310,899.11
Step by Step Solution
- Step 1: Write the proportion equation
397,366.53 : 548,349.12 = 225,296.07 : x - Step 2: Convert to fraction form
397,366.53/548,349.12 = 225,296.07/x - Step 3: Cross multiply
397,366.53x = 548,349.12 × 225,296.07 - Step 4: Simplify right side
397,366.53x = 123,540,901,723.96 - Step 5: Solve for x
x = 123,540,901,723.96/397,366.53 - Step 6: Final answer
x = 310,899.11
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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.