Finding the Fourth Proportional to 206,576.88, 309,762.99 and 73,437.18
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Solution
The fourth proportional to 206,576.88, 309,762.99 and 73,437.18 is: 110,119.39
Step by Step Solution
- Step 1: Write the proportion equation
206,576.88 : 309,762.99 = 73,437.18 : x - Step 2: Convert to fraction form
206,576.88/309,762.99 = 73,437.18/x - Step 3: Cross multiply
206,576.88x = 309,762.99 × 73,437.18 - Step 4: Simplify right side
206,576.88x = 22,748,120,453.97 - Step 5: Solve for x
x = 22,748,120,453.97/206,576.88 - Step 6: Final answer
x = 110,119.39
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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.