Finding the Fourth Proportional to 661,687.44, 992,437.24 and 212,350.08
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Solution
The fourth proportional to 661,687.44, 992,437.24 and 212,350.08 is: 318,494.98
Step by Step Solution
- Step 1: Write the proportion equation
661,687.44 : 992,437.24 = 212,350.08 : x - Step 2: Convert to fraction form
661,687.44/992,437.24 = 212,350.08/x - Step 3: Cross multiply
661,687.44x = 992,437.24 × 212,350.08 - Step 4: Simplify right side
661,687.44x = 210,744,127,308.98 - Step 5: Solve for x
x = 210,744,127,308.98/661,687.44 - Step 6: Final answer
x = 318,494.98
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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.