Finding the Fourth Proportional to 243,481.41, 335,997.99 and 136,052.19
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Solution
The fourth proportional to 243,481.41, 335,997.99 and 136,052.19 is: 187,748.47
Step by Step Solution
- Step 1: Write the proportion equation
243,481.41 : 335,997.99 = 136,052.19 : x - Step 2: Convert to fraction form
243,481.41/335,997.99 = 136,052.19/x - Step 3: Cross multiply
243,481.41x = 335,997.99 × 136,052.19 - Step 4: Simplify right side
243,481.41x = 45,713,262,375.10 - Step 5: Solve for x
x = 45,713,262,375.10/243,481.41 - Step 6: Final answer
x = 187,748.47
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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.