Finding the Fourth Proportional to 857,942.24, 1,286,920.68 and 218,246.52
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Solution
The fourth proportional to 857,942.24, 1,286,920.68 and 218,246.52 is: 327,371.64
Step by Step Solution
- Step 1: Write the proportion equation
857,942.24 : 1,286,920.68 = 218,246.52 : x - Step 2: Convert to fraction form
857,942.24/1,286,920.68 = 218,246.52/x - Step 3: Cross multiply
857,942.24x = 1,286,920.68 × 218,246.52 - Step 4: Simplify right side
857,942.24x = 280,865,959,926.03 - Step 5: Solve for x
x = 280,865,959,926.03/857,942.24 - Step 6: Final answer
x = 327,371.64
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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.