Finding the Fourth Proportional to 351,657.56, 485,286.84 and 190,516.70
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Solution
The fourth proportional to 351,657.56, 485,286.84 and 190,516.70 is: 262,912.72
Step by Step Solution
- Step 1: Write the proportion equation
351,657.56 : 485,286.84 = 190,516.70 : x - Step 2: Convert to fraction form
351,657.56/485,286.84 = 190,516.70/x - Step 3: Cross multiply
351,657.56x = 485,286.84 × 190,516.70 - Step 4: Simplify right side
351,657.56x = 92,455,247,310.23 - Step 5: Solve for x
x = 92,455,247,310.23/351,657.56 - Step 6: Final answer
x = 262,912.72
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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.