Finding the Fourth Proportional to 356,316.14, 491,716.07 and 195,181.18
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Solution
The fourth proportional to 356,316.14, 491,716.07 and 195,181.18 is: 269,349.92
Step by Step Solution
- Step 1: Write the proportion equation
356,316.14 : 491,716.07 = 195,181.18 : x - Step 2: Convert to fraction form
356,316.14/491,716.07 = 195,181.18/x - Step 3: Cross multiply
356,316.14x = 491,716.07 × 195,181.18 - Step 4: Simplify right side
356,316.14x = 95,973,722,767.56 - Step 5: Solve for x
x = 95,973,722,767.56/356,316.14 - Step 6: Final answer
x = 269,349.92
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1.5x scale
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.