Finding the Fourth Proportional to 243,237.26, 335,664.24 and 135,809.12
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Solution
The fourth proportional to 243,237.26, 335,664.24 and 135,809.12 is: 187,414.81
Step by Step Solution
- Step 1: Write the proportion equation
243,237.26 : 335,664.24 = 135,809.12 : x - Step 2: Convert to fraction form
243,237.26/335,664.24 = 135,809.12/x - Step 3: Cross multiply
243,237.26x = 335,664.24 × 135,809.12 - Step 4: Simplify right side
243,237.26x = 45,586,265,049.87 - Step 5: Solve for x
x = 45,586,265,049.87/243,237.26 - Step 6: Final answer
x = 187,414.81
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1.5x scale
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.