Finding the Fourth Proportional to 355,958.07, 491,215.53 and 194,809.86
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Solution
The fourth proportional to 355,958.07, 491,215.53 and 194,809.86 is: 268,833.99
Step by Step Solution
- Step 1: Write the proportion equation
355,958.07 : 491,215.53 = 194,809.86 : x - Step 2: Convert to fraction form
355,958.07/491,215.53 = 194,809.86/x - Step 3: Cross multiply
355,958.07x = 491,215.53 × 194,809.86 - Step 4: Simplify right side
355,958.07x = 95,693,628,629.13 - Step 5: Solve for x
x = 95,693,628,629.13/355,958.07 - Step 6: Final answer
x = 268,833.99
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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.