Finding the Fourth Proportional to 436,147.20, 654,220.80 and 366,163.20
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Solution
The fourth proportional to 436,147.20, 654,220.80 and 366,163.20 is: 549,244.80
Step by Step Solution
- Step 1: Write the proportion equation
436,147.20 : 654,220.80 = 366,163.20 : x - Step 2: Convert to fraction form
436,147.20/654,220.80 = 366,163.20/x - Step 3: Cross multiply
436,147.20x = 654,220.80 × 366,163.20 - Step 4: Simplify right side
436,147.20x = 239,551,581,634.56 - Step 5: Solve for x
x = 239,551,581,634.56/436,147.20 - Step 6: Final answer
x = 549,244.80
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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.