Finding the Fourth Proportional to 247,604.22, 341,714.97 and 140,193.18
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Solution
The fourth proportional to 247,604.22, 341,714.97 and 140,193.18 is: 193,478.56
Step by Step Solution
- Step 1: Write the proportion equation
247,604.22 : 341,714.97 = 140,193.18 : x - Step 2: Convert to fraction form
247,604.22/341,714.97 = 140,193.18/x - Step 3: Cross multiply
247,604.22x = 341,714.97 × 140,193.18 - Step 4: Simplify right side
247,604.22x = 47,906,108,297.90 - Step 5: Solve for x
x = 47,906,108,297.90/247,604.22 - Step 6: Final answer
x = 193,478.56
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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.