Finding the Fourth Proportional to 335,638.11, 503,458.53 and 135,962.31
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Solution
The fourth proportional to 335,638.11, 503,458.53 and 135,962.31 is: 203,944.02
Step by Step Solution
- Step 1: Write the proportion equation
335,638.11 : 503,458.53 = 135,962.31 : x - Step 2: Convert to fraction form
335,638.11/503,458.53 = 135,962.31/x - Step 3: Cross multiply
335,638.11x = 503,458.53 × 135,962.31 - Step 4: Simplify right side
335,638.11x = 68,451,384,728.00 - Step 5: Solve for x
x = 68,451,384,728.00/335,638.11 - Step 6: Final answer
x = 203,944.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.