Finding the Fourth Proportional to 205,306.80, 307,960.20 and 182,497.20
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Solution
The fourth proportional to 205,306.80, 307,960.20 and 182,497.20 is: 273,745.80
Step by Step Solution
- Step 1: Write the proportion equation
205,306.80 : 307,960.20 = 182,497.20 : x - Step 2: Convert to fraction form
205,306.80/307,960.20 = 182,497.20/x - Step 3: Cross multiply
205,306.80x = 307,960.20 × 182,497.20 - Step 4: Simplify right side
205,306.80x = 56,201,874,211.44 - Step 5: Solve for x
x = 56,201,874,211.44/205,306.80 - Step 6: Final answer
x = 273,745.80
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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.