Finding the Fourth Proportional to 356,015.82, 491,302.26 and 194,881.08
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Solution
The fourth proportional to 356,015.82, 491,302.26 and 194,881.08 is: 268,936.12
Step by Step Solution
- Step 1: Write the proportion equation
356,015.82 : 491,302.26 = 194,881.08 : x - Step 2: Convert to fraction form
356,015.82/491,302.26 = 194,881.08/x - Step 3: Cross multiply
356,015.82x = 491,302.26 × 194,881.08 - Step 4: Simplify right side
356,015.82x = 95,745,515,035.24 - Step 5: Solve for x
x = 95,745,515,035.24/356,015.82 - Step 6: Final answer
x = 268,936.12
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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.