Finding the Fourth Proportional to 274,407.15, 411,640.97 and 87,375.63
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Solution
The fourth proportional to 274,407.15, 411,640.97 and 87,375.63 is: 131,073.07
Step by Step Solution
- Step 1: Write the proportion equation
274,407.15 : 411,640.97 = 87,375.63 : x - Step 2: Convert to fraction form
274,407.15/411,640.97 = 87,375.63/x - Step 3: Cross multiply
274,407.15x = 411,640.97 × 87,375.63 - Step 4: Simplify right side
274,407.15x = 35,967,388,650.68 - Step 5: Solve for x
x = 35,967,388,650.68/274,407.15 - Step 6: Final answer
x = 131,073.07
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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.