Finding the Fourth Proportional to 395,489.68, 545,338.44 and 252,022.48
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Solution
The fourth proportional to 395,489.68, 545,338.44 and 252,022.48 is: 347,512.34
Step by Step Solution
- Step 1: Write the proportion equation
395,489.68 : 545,338.44 = 252,022.48 : x - Step 2: Convert to fraction form
395,489.68/545,338.44 = 252,022.48/x - Step 3: Cross multiply
395,489.68x = 545,338.44 × 252,022.48 - Step 4: Simplify right side
395,489.68x = 137,437,546,088.13 - Step 5: Solve for x
x = 137,437,546,088.13/395,489.68 - Step 6: Final answer
x = 347,512.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.