Finding the Fourth Proportional to 805,414.20, 1,208,121.30 and 244,447.80
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Solution
The fourth proportional to 805,414.20, 1,208,121.30 and 244,447.80 is: 366,671.70
Step by Step Solution
- Step 1: Write the proportion equation
805,414.20 : 1,208,121.30 = 244,447.80 : x - Step 2: Convert to fraction form
805,414.20/1,208,121.30 = 244,447.80/x - Step 3: Cross multiply
805,414.20x = 1,208,121.30 × 244,447.80 - Step 4: Simplify right side
805,414.20x = 295,322,593,918.14 - Step 5: Solve for x
x = 295,322,593,918.14/805,414.20 - Step 6: Final answer
x = 366,671.70
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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.