Finding the Fourth Proportional to 309,502.44, 427,299.66 and 202,251.96
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Solution
The fourth proportional to 309,502.44, 427,299.66 and 202,251.96 is: 279,229.44
Step by Step Solution
- Step 1: Write the proportion equation
309,502.44 : 427,299.66 = 202,251.96 : x - Step 2: Convert to fraction form
309,502.44/427,299.66 = 202,251.96/x - Step 3: Cross multiply
309,502.44x = 427,299.66 × 202,251.96 - Step 4: Simplify right side
309,502.44x = 86,422,193,742.33 - Step 5: Solve for x
x = 86,422,193,742.33/309,502.44 - Step 6: Final answer
x = 279,229.44
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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.