Finding the Fourth Proportional to 376,630.26, 519,840.27 and 215,578.68
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Solution
The fourth proportional to 376,630.26, 519,840.27 and 215,578.68 is: 297,550.39
Step by Step Solution
- Step 1: Write the proportion equation
376,630.26 : 519,840.27 = 215,578.68 : x - Step 2: Convert to fraction form
376,630.26/519,840.27 = 215,578.68/x - Step 3: Cross multiply
376,630.26x = 519,840.27 × 215,578.68 - Step 4: Simplify right side
376,630.26x = 112,066,479,217.44 - Step 5: Solve for x
x = 112,066,479,217.44/376,630.26 - Step 6: Final answer
x = 297,550.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.