Finding the Fourth Proportional to 283,373.94, 391,162.11 and 187,912.74
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Solution
The fourth proportional to 283,373.94, 391,162.11 and 187,912.74 is: 259,389.92
Step by Step Solution
- Step 1: Write the proportion equation
283,373.94 : 391,162.11 = 187,912.74 : x - Step 2: Convert to fraction form
283,373.94/391,162.11 = 187,912.74/x - Step 3: Cross multiply
283,373.94x = 391,162.11 × 187,912.74 - Step 4: Simplify right side
283,373.94x = 73,504,343,874.28 - Step 5: Solve for x
x = 73,504,343,874.28/283,373.94 - Step 6: Final answer
x = 259,389.92
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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.