Finding the Fourth Proportional to 672,646.79, 1,008,673.34 and 192,765.68
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Solution
The fourth proportional to 672,646.79, 1,008,673.34 and 192,765.68 is: 289,063.46
Step by Step Solution
- Step 1: Write the proportion equation
672,646.79 : 1,008,673.34 = 192,765.68 : x - Step 2: Convert to fraction form
672,646.79/1,008,673.34 = 192,765.68/x - Step 3: Cross multiply
672,646.79x = 1,008,673.34 × 192,765.68 - Step 4: Simplify right side
672,646.79x = 194,437,605,286.57 - Step 5: Solve for x
x = 194,437,605,286.57/672,646.79 - Step 6: Final answer
x = 289,063.46
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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.