Finding the Fourth Proportional to 365,847.20, 548,770.80 and 155,457.80
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Solution
The fourth proportional to 365,847.20, 548,770.80 and 155,457.80 is: 233,186.70
Step by Step Solution
- Step 1: Write the proportion equation
365,847.20 : 548,770.80 = 155,457.80 : x - Step 2: Convert to fraction form
365,847.20/548,770.80 = 155,457.80/x - Step 3: Cross multiply
365,847.20x = 548,770.80 × 155,457.80 - Step 4: Simplify right side
365,847.20x = 85,310,701,272.24 - Step 5: Solve for x
x = 85,310,701,272.24/365,847.20 - Step 6: Final answer
x = 233,186.70
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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.