Finding the Fourth Proportional to 198,571.26, 274,031.11 and 107,927.19
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Solution
The fourth proportional to 198,571.26, 274,031.11 and 107,927.19 is: 148,941.04
Step by Step Solution
- Step 1: Write the proportion equation
198,571.26 : 274,031.11 = 107,927.19 : x - Step 2: Convert to fraction form
198,571.26/274,031.11 = 107,927.19/x - Step 3: Cross multiply
198,571.26x = 274,031.11 × 107,927.19 - Step 4: Simplify right side
198,571.26x = 29,575,408,432.68 - Step 5: Solve for x
x = 29,575,408,432.68/198,571.26 - Step 6: Final answer
x = 148,941.04
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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.