Finding the Fourth Proportional to 496,121.31, 743,326.05 and 271,643.31
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Solution
The fourth proportional to 496,121.31, 743,326.05 and 271,643.31 is: 406,996.32
Step by Step Solution
- Step 1: Write the proportion equation
496,121.31 : 743,326.05 = 271,643.31 : x - Step 2: Convert to fraction form
496,121.31/743,326.05 = 271,643.31/x - Step 3: Cross multiply
496,121.31x = 743,326.05 × 271,643.31 - Step 4: Simplify right side
496,121.31x = 201,919,548,631.23 - Step 5: Solve for x
x = 201,919,548,631.23/496,121.31 - Step 6: Final answer
x = 406,996.32
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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.