Finding the Fourth Proportional to 379,211.09, 568,818.74 and 126,490.88
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Solution
The fourth proportional to 379,211.09, 568,818.74 and 126,490.88 is: 189,737.02
Step by Step Solution
- Step 1: Write the proportion equation
379,211.09 : 568,818.74 = 126,490.88 : x - Step 2: Convert to fraction form
379,211.09/568,818.74 = 126,490.88/x - Step 3: Cross multiply
379,211.09x = 568,818.74 × 126,490.88 - Step 4: Simplify right side
379,211.09x = 71,950,379,506.54 - Step 5: Solve for x
x = 71,950,379,506.54/379,211.09 - Step 6: Final answer
x = 189,737.02
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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.