Finding the Fourth Proportional to 397,471.76, 548,330.11 and 236,235.18
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Solution
The fourth proportional to 397,471.76, 548,330.11 and 236,235.18 is: 325,897.03
Step by Step Solution
- Step 1: Write the proportion equation
397,471.76 : 548,330.11 = 236,235.18 : x - Step 2: Convert to fraction form
397,471.76/548,330.11 = 236,235.18/x - Step 3: Cross multiply
397,471.76x = 548,330.11 × 236,235.18 - Step 4: Simplify right side
397,471.76x = 129,534,863,700.92 - Step 5: Solve for x
x = 129,534,863,700.92/397,471.76 - Step 6: Final answer
x = 325,897.03
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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.