Finding the Fourth Proportional to 335,129.64, 503,052.51 and 135,580.44
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Solution
The fourth proportional to 335,129.64, 503,052.51 and 135,580.44 is: 203,515.51
Step by Step Solution
- Step 1: Write the proportion equation
335,129.64 : 503,052.51 = 135,580.44 : x - Step 2: Convert to fraction form
335,129.64/503,052.51 = 135,580.44/x - Step 3: Cross multiply
335,129.64x = 503,052.51 × 135,580.44 - Step 4: Simplify right side
335,129.64x = 68,204,080,648.90 - Step 5: Solve for x
x = 68,204,080,648.90/335,129.64 - Step 6: Final answer
x = 203,515.51
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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.