Finding the Fourth Proportional to 283,365.38, 422,837.84 and 258,214.88
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Solution
The fourth proportional to 283,365.38, 422,837.84 and 258,214.88 is: 385,308.26
Step by Step Solution
- Step 1: Write the proportion equation
283,365.38 : 422,837.84 = 258,214.88 : x - Step 2: Convert to fraction form
283,365.38/422,837.84 = 258,214.88/x - Step 3: Cross multiply
283,365.38x = 422,837.84 × 258,214.88 - Step 4: Simplify right side
283,365.38x = 109,183,022,115.06 - Step 5: Solve for x
x = 109,183,022,115.06/283,365.38 - Step 6: Final answer
x = 385,308.26
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.