Finding the Fourth Proportional to 372,821.40, 558,733.14 and 135,940.68
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Solution
The fourth proportional to 372,821.40, 558,733.14 and 135,940.68 is: 203,729.09
Step by Step Solution
- Step 1: Write the proportion equation
372,821.40 : 558,733.14 = 135,940.68 : x - Step 2: Convert to fraction form
372,821.40/558,733.14 = 135,940.68/x - Step 3: Cross multiply
372,821.40x = 558,733.14 × 135,940.68 - Step 4: Simplify right side
372,821.40x = 75,954,562,990.14 - Step 5: Solve for x
x = 75,954,562,990.14/372,821.40 - Step 6: Final answer
x = 203,729.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.