Finding the Fourth Proportional to 644,636.63, 966,847.70 and 195,250.65
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Solution
The fourth proportional to 644,636.63, 966,847.70 and 195,250.65 is: 292,843.49
Step by Step Solution
- Step 1: Write the proportion equation
644,636.63 : 966,847.70 = 195,250.65 : x - Step 2: Convert to fraction form
644,636.63/966,847.70 = 195,250.65/x - Step 3: Cross multiply
644,636.63x = 966,847.70 × 195,250.65 - Step 4: Simplify right side
644,636.63x = 188,777,640,899.75 - Step 5: Solve for x
x = 188,777,640,899.75/644,636.63 - Step 6: Final answer
x = 292,843.49
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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.