Finding the Fourth Proportional to 306,469.24, 422,658.36 and 214,541.44
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Solution
The fourth proportional to 306,469.24, 422,658.36 and 214,541.44 is: 295,878.74
Step by Step Solution
- Step 1: Write the proportion equation
306,469.24 : 422,658.36 = 214,541.44 : x - Step 2: Convert to fraction form
306,469.24/422,658.36 = 214,541.44/x - Step 3: Cross multiply
306,469.24x = 422,658.36 × 214,541.44 - Step 4: Simplify right side
306,469.24x = 90,677,733,182.44 - Step 5: Solve for x
x = 90,677,733,182.44/306,469.24 - Step 6: Final answer
x = 295,878.74
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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.