Finding the Fourth Proportional to 283,450.40, 391,161.51 and 156,125.99
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Solution
The fourth proportional to 283,450.40, 391,161.51 and 156,125.99 is: 215,453.84
Step by Step Solution
- Step 1: Write the proportion equation
283,450.40 : 391,161.51 = 156,125.99 : x - Step 2: Convert to fraction form
283,450.40/391,161.51 = 156,125.99/x - Step 3: Cross multiply
283,450.40x = 391,161.51 × 156,125.99 - Step 4: Simplify right side
283,450.40x = 61,070,476,042.84 - Step 5: Solve for x
x = 61,070,476,042.84/283,450.40 - Step 6: Final answer
x = 215,453.84
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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.