Finding the Fourth Proportional to 412,950.28, 619,367.10 and 132,431.08
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Solution
The fourth proportional to 412,950.28, 619,367.10 and 132,431.08 is: 198,627.92
Step by Step Solution
- Step 1: Write the proportion equation
412,950.28 : 619,367.10 = 132,431.08 : x - Step 2: Convert to fraction form
412,950.28/619,367.10 = 132,431.08/x - Step 3: Cross multiply
412,950.28x = 619,367.10 × 132,431.08 - Step 4: Simplify right side
412,950.28x = 82,023,453,969.47 - Step 5: Solve for x
x = 82,023,453,969.47/412,950.28 - Step 6: Final answer
x = 198,627.92
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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.