Finding the Fourth Proportional to 319,343.53, 479,015.26 and 179,113.09
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Solution
The fourth proportional to 319,343.53, 479,015.26 and 179,113.09 is: 268,669.62
Step by Step Solution
- Step 1: Write the proportion equation
319,343.53 : 479,015.26 = 179,113.09 : x - Step 2: Convert to fraction form
319,343.53/479,015.26 = 179,113.09/x - Step 3: Cross multiply
319,343.53x = 479,015.26 × 179,113.09 - Step 4: Simplify right side
319,343.53x = 85,797,903,375.75 - Step 5: Solve for x
x = 85,797,903,375.75/319,343.53 - Step 6: Final answer
x = 268,669.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.