Finding the Fourth Proportional to 411,163.23, 617,304.38 and 231,375.68
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Solution
The fourth proportional to 411,163.23, 617,304.38 and 231,375.68 is: 347,378.39
Step by Step Solution
- Step 1: Write the proportion equation
411,163.23 : 617,304.38 = 231,375.68 : x - Step 2: Convert to fraction form
411,163.23/617,304.38 = 231,375.68/x - Step 3: Cross multiply
411,163.23x = 617,304.38 × 231,375.68 - Step 4: Simplify right side
411,163.23x = 142,829,220,689.48 - Step 5: Solve for x
x = 142,829,220,689.48/411,163.23 - Step 6: Final answer
x = 347,378.39
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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.