Finding the Fourth Proportional to 343,711.75, 474,325.46 and 192,811.99
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Solution
The fourth proportional to 343,711.75, 474,325.46 and 192,811.99 is: 266,082.37
Step by Step Solution
- Step 1: Write the proportion equation
343,711.75 : 474,325.46 = 192,811.99 : x - Step 2: Convert to fraction form
343,711.75/474,325.46 = 192,811.99/x - Step 3: Cross multiply
343,711.75x = 474,325.46 × 192,811.99 - Step 4: Simplify right side
343,711.75x = 91,455,635,850.27 - Step 5: Solve for x
x = 91,455,635,850.27/343,711.75 - Step 6: Final answer
x = 266,082.37
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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.