Finding the Fourth Proportional to 354,716.26, 530,694.15 and 324,930.94
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Solution
The fourth proportional to 354,716.26, 530,694.15 and 324,930.94 is: 486,132.07
Step by Step Solution
- Step 1: Write the proportion equation
354,716.26 : 530,694.15 = 324,930.94 : x - Step 2: Convert to fraction form
354,716.26/530,694.15 = 324,930.94/x - Step 3: Cross multiply
354,716.26x = 530,694.15 × 324,930.94 - Step 4: Simplify right side
354,716.26x = 172,438,949,012.00 - Step 5: Solve for x
x = 172,438,949,012.00/354,716.26 - Step 6: Final answer
x = 486,132.07
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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.