Finding the Fourth Proportional to 543,236.58, 815,654.75 and 303,819.55
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Solution
The fourth proportional to 543,236.58, 815,654.75 and 303,819.55 is: 456,176.67
Step by Step Solution
- Step 1: Write the proportion equation
543,236.58 : 815,654.75 = 303,819.55 : x - Step 2: Convert to fraction form
543,236.58/815,654.75 = 303,819.55/x - Step 3: Cross multiply
543,236.58x = 815,654.75 × 303,819.55 - Step 4: Simplify right side
543,236.58x = 247,811,855,542.13 - Step 5: Solve for x
x = 247,811,855,542.13/543,236.58 - Step 6: Final answer
x = 456,176.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.