Finding the Fourth Proportional to 306,217.92, 422,604.41 and 183,714.92
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Solution
The fourth proportional to 306,217.92, 422,604.41 and 183,714.92 is: 253,540.79
Step by Step Solution
- Step 1: Write the proportion equation
306,217.92 : 422,604.41 = 183,714.92 : x - Step 2: Convert to fraction form
306,217.92/422,604.41 = 183,714.92/x - Step 3: Cross multiply
306,217.92x = 422,604.41 × 183,714.92 - Step 4: Simplify right side
306,217.92x = 77,638,732,343.20 - Step 5: Solve for x
x = 77,638,732,343.20/306,217.92 - Step 6: Final answer
x = 253,540.79
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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.