Finding the Fourth Proportional to 243,611.70, 365,806.35 and 177,515.70
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Solution
The fourth proportional to 243,611.70, 365,806.35 and 177,515.70 is: 266,556.86
Step by Step Solution
- Step 1: Write the proportion equation
243,611.70 : 365,806.35 = 177,515.70 : x - Step 2: Convert to fraction form
243,611.70/365,806.35 = 177,515.70/x - Step 3: Cross multiply
243,611.70x = 365,806.35 × 177,515.70 - Step 4: Simplify right side
243,611.70x = 64,936,370,284.70 - Step 5: Solve for x
x = 64,936,370,284.70/243,611.70 - Step 6: Final answer
x = 266,556.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.