Finding the Fourth Proportional to 228,775.80, 343,163.70 and 149,059.65
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Solution
The fourth proportional to 228,775.80, 343,163.70 and 149,059.65 is: 223,589.48
Step by Step Solution
- Step 1: Write the proportion equation
228,775.80 : 343,163.70 = 149,059.65 : x - Step 2: Convert to fraction form
228,775.80/343,163.70 = 149,059.65/x - Step 3: Cross multiply
228,775.80x = 343,163.70 × 149,059.65 - Step 4: Simplify right side
228,775.80x = 51,151,861,014.71 - Step 5: Solve for x
x = 51,151,861,014.71/228,775.80 - Step 6: Final answer
x = 223,589.48
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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.