Finding the Fourth Proportional to 641,524.96, 961,963.44 and 214,913.44
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Solution
The fourth proportional to 641,524.96, 961,963.44 and 214,913.44 is: 322,261.62
Step by Step Solution
- Step 1: Write the proportion equation
641,524.96 : 961,963.44 = 214,913.44 : x - Step 2: Convert to fraction form
641,524.96/961,963.44 = 214,913.44/x - Step 3: Cross multiply
641,524.96x = 961,963.44 × 214,913.44 - Step 4: Simplify right side
641,524.96x = 206,738,872,044.63 - Step 5: Solve for x
x = 206,738,872,044.63/641,524.96 - Step 6: Final answer
x = 322,261.62
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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.