Finding the Fourth Proportional to 356,321.16, 491,723.26 and 195,181.99
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Solution
The fourth proportional to 356,321.16, 491,723.26 and 195,181.99 is: 269,351.17
Step by Step Solution
- Step 1: Write the proportion equation
356,321.16 : 491,723.26 = 195,181.99 : x - Step 2: Convert to fraction form
356,321.16/491,723.26 = 195,181.99/x - Step 3: Cross multiply
356,321.16x = 491,723.26 × 195,181.99 - Step 4: Simplify right side
356,321.16x = 95,975,522,698.82 - Step 5: Solve for x
x = 95,975,522,698.82/356,321.16 - Step 6: Final answer
x = 269,351.17
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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.