Finding the Fourth Proportional to 543,437.56, 815,193.80 and 227,576.44
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Solution
The fourth proportional to 543,437.56, 815,193.80 and 227,576.44 is: 341,380.35
Step by Step Solution
- Step 1: Write the proportion equation
543,437.56 : 815,193.80 = 227,576.44 : x - Step 2: Convert to fraction form
543,437.56/815,193.80 = 227,576.44/x - Step 3: Cross multiply
543,437.56x = 815,193.80 × 227,576.44 - Step 4: Simplify right side
543,437.56x = 185,518,902,914.07 - Step 5: Solve for x
x = 185,518,902,914.07/543,437.56 - Step 6: Final answer
x = 341,380.35
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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.