Finding the Fourth Proportional to 252,274.26, 378,346.80 and 74,739.75
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Solution
The fourth proportional to 252,274.26, 378,346.80 and 74,739.75 is: 112,090.49
Step by Step Solution
- Step 1: Write the proportion equation
252,274.26 : 378,346.80 = 74,739.75 : x - Step 2: Convert to fraction form
252,274.26/378,346.80 = 74,739.75/x - Step 3: Cross multiply
252,274.26x = 378,346.80 × 74,739.75 - Step 4: Simplify right side
252,274.26x = 28,277,545,245.30 - Step 5: Solve for x
x = 28,277,545,245.30/252,274.26 - Step 6: Final answer
x = 112,090.49
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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.