Finding the Fourth Proportional to 335,213.40, 502,382.70 and 135,370.20
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Solution
The fourth proportional to 335,213.40, 502,382.70 and 135,370.20 is: 202,878.66
Step by Step Solution
- Step 1: Write the proportion equation
335,213.40 : 502,382.70 = 135,370.20 : x - Step 2: Convert to fraction form
335,213.40/502,382.70 = 135,370.20/x - Step 3: Cross multiply
335,213.40x = 502,382.70 × 135,370.20 - Step 4: Simplify right side
335,213.40x = 68,007,646,575.54 - Step 5: Solve for x
x = 68,007,646,575.54/335,213.40 - Step 6: Final answer
x = 202,878.66
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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.