Finding the Fourth Proportional to 672,426.05, 1,008,634.05 and 192,654.26
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Solution
The fourth proportional to 672,426.05, 1,008,634.05 and 192,654.26 is: 288,979.95
Step by Step Solution
- Step 1: Write the proportion equation
672,426.05 : 1,008,634.05 = 192,654.26 : x - Step 2: Convert to fraction form
672,426.05/1,008,634.05 = 192,654.26/x - Step 3: Cross multiply
672,426.05x = 1,008,634.05 × 192,654.26 - Step 4: Simplify right side
672,426.05x = 194,317,644,530.31 - Step 5: Solve for x
x = 194,317,644,530.31/672,426.05 - Step 6: Final answer
x = 288,979.95
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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.