Finding the Fourth Proportional to 395,608.68, 545,928.62 and 232,262.46
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Solution
The fourth proportional to 395,608.68, 545,928.62 and 232,262.46 is: 320,515.52
Step by Step Solution
- Step 1: Write the proportion equation
395,608.68 : 545,928.62 = 232,262.46 : x - Step 2: Convert to fraction form
395,608.68/545,928.62 = 232,262.46/x - Step 3: Cross multiply
395,608.68x = 545,928.62 × 232,262.46 - Step 4: Simplify right side
395,608.68x = 126,798,723,104.29 - Step 5: Solve for x
x = 126,798,723,104.29/395,608.68 - Step 6: Final answer
x = 320,515.52
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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.