Finding the Fourth Proportional to 112,893.75, 169,351.97 and 29,787.75
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Solution
The fourth proportional to 112,893.75, 169,351.97 and 29,787.75 is: 44,684.62
Step by Step Solution
- Step 1: Write the proportion equation
112,893.75 : 169,351.97 = 29,787.75 : x - Step 2: Convert to fraction form
112,893.75/169,351.97 = 29,787.75/x - Step 3: Cross multiply
112,893.75x = 169,351.97 × 29,787.75 - Step 4: Simplify right side
112,893.75x = 5,044,613,995.43 - Step 5: Solve for x
x = 5,044,613,995.43/112,893.75 - Step 6: Final answer
x = 44,684.62
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1.5x scale
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.