Finding the Fourth Proportional to 356,308.99, 491,714.39 and 203,344.13
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Solution
The fourth proportional to 356,308.99, 491,714.39 and 203,344.13 is: 280,619.46
Step by Step Solution
- Step 1: Write the proportion equation
356,308.99 : 491,714.39 = 203,344.13 : x - Step 2: Convert to fraction form
356,308.99/491,714.39 = 203,344.13/x - Step 3: Cross multiply
356,308.99x = 491,714.39 × 203,344.13 - Step 4: Simplify right side
356,308.99x = 99,987,234,843.03 - Step 5: Solve for x
x = 99,987,234,843.03/356,308.99 - Step 6: Final answer
x = 280,619.46
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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.