Finding the Fourth Proportional to 296,915.76, 445,286.57 and 83,669.49
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Solution
The fourth proportional to 296,915.76, 445,286.57 and 83,669.49 is: 125,479.70
Step by Step Solution
- Step 1: Write the proportion equation
296,915.76 : 445,286.57 = 83,669.49 : x - Step 2: Convert to fraction form
296,915.76/445,286.57 = 83,669.49/x - Step 3: Cross multiply
296,915.76x = 445,286.57 × 83,669.49 - Step 4: Simplify right side
296,915.76x = 37,256,899,797.40 - Step 5: Solve for x
x = 37,256,899,797.40/296,915.76 - Step 6: Final answer
x = 125,479.70
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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.