Finding the Fourth Proportional to 397,528.05, 548,602.98 and 227,794.98
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Solution
The fourth proportional to 397,528.05, 548,602.98 and 227,794.98 is: 314,365.25
Step by Step Solution
- Step 1: Write the proportion equation
397,528.05 : 548,602.98 = 227,794.98 : x - Step 2: Convert to fraction form
397,528.05/548,602.98 = 227,794.98/x - Step 3: Cross multiply
397,528.05x = 548,602.98 × 227,794.98 - Step 4: Simplify right side
397,528.05x = 124,969,004,857.04 - Step 5: Solve for x
x = 124,969,004,857.04/397,528.05 - Step 6: Final answer
x = 314,365.25
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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.