Finding the Fourth Proportional to 335,119.05, 503,036.69 and 135,569.88
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Solution
The fourth proportional to 335,119.05, 503,036.69 and 135,569.88 is: 203,499.69
Step by Step Solution
- Step 1: Write the proportion equation
335,119.05 : 503,036.69 = 135,569.88 : x - Step 2: Convert to fraction form
335,119.05/503,036.69 = 135,569.88/x - Step 3: Cross multiply
335,119.05x = 503,036.69 × 135,569.88 - Step 4: Simplify right side
335,119.05x = 68,196,623,021.05 - Step 5: Solve for x
x = 68,196,623,021.05/335,119.05 - Step 6: Final answer
x = 203,499.69
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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.