Finding the Fourth Proportional to 324,290.40, 486,446.52 and 87,635.12
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Solution
The fourth proportional to 324,290.40, 486,446.52 and 87,635.12 is: 131,455.63
Step by Step Solution
- Step 1: Write the proportion equation
324,290.40 : 486,446.52 = 87,635.12 : x - Step 2: Convert to fraction form
324,290.40/486,446.52 = 87,635.12/x - Step 3: Cross multiply
324,290.40x = 486,446.52 × 87,635.12 - Step 4: Simplify right side
324,290.40x = 42,629,799,153.78 - Step 5: Solve for x
x = 42,629,799,153.78/324,290.40 - Step 6: Final answer
x = 131,455.63
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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.