Finding the Fourth Proportional to 296,857.80, 445,286.70 and 202,854.60
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Solution
The fourth proportional to 296,857.80, 445,286.70 and 202,854.60 is: 304,281.90
Step by Step Solution
- Step 1: Write the proportion equation
296,857.80 : 445,286.70 = 202,854.60 : x - Step 2: Convert to fraction form
296,857.80/445,286.70 = 202,854.60/x - Step 3: Cross multiply
296,857.80x = 445,286.70 × 202,854.60 - Step 4: Simplify right side
296,857.80x = 90,328,455,413.82 - Step 5: Solve for x
x = 90,328,455,413.82/296,857.80 - Step 6: Final answer
x = 304,281.90
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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.