Finding the Fourth Proportional to 407,385.60, 560,198.06 and 353,576.91
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Solution
The fourth proportional to 407,385.60, 560,198.06 and 353,576.91 is: 486,205.45
Step by Step Solution
- Step 1: Write the proportion equation
407,385.60 : 560,198.06 = 353,576.91 : x - Step 2: Convert to fraction form
407,385.60/560,198.06 = 353,576.91/x - Step 3: Cross multiply
407,385.60x = 560,198.06 × 353,576.91 - Step 4: Simplify right side
407,385.60x = 198,073,097,274.91 - Step 5: Solve for x
x = 198,073,097,274.91/407,385.60 - Step 6: Final answer
x = 486,205.45
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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.