Finding the Fourth Proportional to 365,918.70, 548,878.05 and 188,771.70
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Solution
The fourth proportional to 365,918.70, 548,878.05 and 188,771.70 is: 283,157.55
Step by Step Solution
- Step 1: Write the proportion equation
365,918.70 : 548,878.05 = 188,771.70 : x - Step 2: Convert to fraction form
365,918.70/548,878.05 = 188,771.70/x - Step 3: Cross multiply
365,918.70x = 548,878.05 × 188,771.70 - Step 4: Simplify right side
365,918.70x = 103,612,642,591.19 - Step 5: Solve for x
x = 103,612,642,591.19/365,918.70 - Step 6: Final answer
x = 283,157.55
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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.