Finding the Fourth Proportional to 656,348.16, 984,675.84 and 282,163.20
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Solution
The fourth proportional to 656,348.16, 984,675.84 and 282,163.20 is: 423,310.83
Step by Step Solution
- Step 1: Write the proportion equation
656,348.16 : 984,675.84 = 282,163.20 : x - Step 2: Convert to fraction form
656,348.16/984,675.84 = 282,163.20/x - Step 3: Cross multiply
656,348.16x = 984,675.84 × 282,163.20 - Step 4: Simplify right side
656,348.16x = 277,839,285,977.09 - Step 5: Solve for x
x = 277,839,285,977.09/656,348.16 - Step 6: Final answer
x = 423,310.83
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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.