Finding the Fourth Proportional to 283,576.07, 391,331.84 and 161,067.62
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Solution
The fourth proportional to 283,576.07, 391,331.84 and 161,067.62 is: 222,271.53
Step by Step Solution
- Step 1: Write the proportion equation
283,576.07 : 391,331.84 = 161,067.62 : x - Step 2: Convert to fraction form
283,576.07/391,331.84 = 161,067.62/x - Step 3: Cross multiply
283,576.07x = 391,331.84 × 161,067.62 - Step 4: Simplify right side
283,576.07x = 63,030,885,337.02 - Step 5: Solve for x
x = 63,030,885,337.02/283,576.07 - Step 6: Final answer
x = 222,271.53
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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.