Finding the Fourth Proportional to 356,257.82, 491,626.14 and 203,293.19
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Solution
The fourth proportional to 356,257.82, 491,626.14 and 203,293.19 is: 280,539.09
Step by Step Solution
- Step 1: Write the proportion equation
356,257.82 : 491,626.14 = 203,293.19 : x - Step 2: Convert to fraction form
356,257.82/491,626.14 = 203,293.19/x - Step 3: Cross multiply
356,257.82x = 491,626.14 × 203,293.19 - Step 4: Simplify right side
356,257.82x = 99,944,246,287.99 - Step 5: Solve for x
x = 99,944,246,287.99/356,257.82 - Step 6: Final answer
x = 280,539.09
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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.