Finding the Fourth Proportional to 243,336.10, 335,770.63 and 135,892.43
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Solution
The fourth proportional to 243,336.10, 335,770.63 and 135,892.43 is: 187,513.02
Step by Step Solution
- Step 1: Write the proportion equation
243,336.10 : 335,770.63 = 135,892.43 : x - Step 2: Convert to fraction form
243,336.10/335,770.63 = 135,892.43/x - Step 3: Cross multiply
243,336.10x = 335,770.63 × 135,892.43 - Step 4: Simplify right side
243,336.10x = 45,628,686,833.33 - Step 5: Solve for x
x = 45,628,686,833.33/243,336.10 - Step 6: Final answer
x = 187,513.02
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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.