Finding the Fourth Proportional to 243,107.72, 335,464.68 and 134,204.99
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Solution
The fourth proportional to 243,107.72, 335,464.68 and 134,204.99 is: 185,189.65
Step by Step Solution
- Step 1: Write the proportion equation
243,107.72 : 335,464.68 = 134,204.99 : x - Step 2: Convert to fraction form
243,107.72/335,464.68 = 134,204.99/x - Step 3: Cross multiply
243,107.72x = 335,464.68 × 134,204.99 - Step 4: Simplify right side
243,107.72x = 45,021,034,100.75 - Step 5: Solve for x
x = 45,021,034,100.75/243,107.72 - Step 6: Final answer
x = 185,189.65
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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.