Finding the Fourth Proportional to 355,785.88, 490,701.94 and 268,861.28
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Solution
The fourth proportional to 355,785.88, 490,701.94 and 268,861.28 is: 370,815.03
Step by Step Solution
- Step 1: Write the proportion equation
355,785.88 : 490,701.94 = 268,861.28 : x - Step 2: Convert to fraction form
355,785.88/490,701.94 = 268,861.28/x - Step 3: Cross multiply
355,785.88x = 490,701.94 × 268,861.28 - Step 4: Simplify right side
355,785.88x = 131,930,751,686.88 - Step 5: Solve for x
x = 131,930,751,686.88/355,785.88 - Step 6: Final answer
x = 370,815.03
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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.