Finding the Fourth Proportional to 300,915.40, 415,074.42 and 193,624.84
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Solution
The fourth proportional to 300,915.40, 415,074.42 and 193,624.84 is: 267,080.77
Step by Step Solution
- Step 1: Write the proportion equation
300,915.40 : 415,074.42 = 193,624.84 : x - Step 2: Convert to fraction form
300,915.40/415,074.42 = 193,624.84/x - Step 3: Cross multiply
300,915.40x = 415,074.42 × 193,624.84 - Step 4: Simplify right side
300,915.40x = 80,368,718,160.59 - Step 5: Solve for x
x = 80,368,718,160.59/300,915.40 - Step 6: Final answer
x = 267,080.77
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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.