Finding the Fourth Proportional to 512,245.26, 707,137.65 and 297,343.95
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Solution
The fourth proportional to 512,245.26, 707,137.65 and 297,343.95 is: 410,473.49
Step by Step Solution
- Step 1: Write the proportion equation
512,245.26 : 707,137.65 = 297,343.95 : x - Step 2: Convert to fraction form
512,245.26/707,137.65 = 297,343.95/x - Step 3: Cross multiply
512,245.26x = 707,137.65 × 297,343.95 - Step 4: Simplify right side
512,245.26x = 210,263,102,044.72 - Step 5: Solve for x
x = 210,263,102,044.72/512,245.26 - Step 6: Final answer
x = 410,473.49
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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.