Finding the Fourth Proportional to 343,912.60, 516,257.70 and 203,750.20
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Solution
The fourth proportional to 343,912.60, 516,257.70 and 203,750.20 is: 305,855.64
Step by Step Solution
- Step 1: Write the proportion equation
343,912.60 : 516,257.70 = 203,750.20 : x - Step 2: Convert to fraction form
343,912.60/516,257.70 = 203,750.20/x - Step 3: Cross multiply
343,912.60x = 516,257.70 × 203,750.20 - Step 4: Simplify right side
343,912.60x = 105,187,609,626.54 - Step 5: Solve for x
x = 105,187,609,626.54/343,912.60 - Step 6: Final answer
x = 305,855.64
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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.