Finding the Fourth Proportional to 206,349.56, 309,368.37 and 135,290.08
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Solution
The fourth proportional to 206,349.56, 309,368.37 and 135,290.08 is: 202,832.86
Step by Step Solution
- Step 1: Write the proportion equation
206,349.56 : 309,368.37 = 135,290.08 : x - Step 2: Convert to fraction form
206,349.56/309,368.37 = 135,290.08/x - Step 3: Cross multiply
206,349.56x = 309,368.37 × 135,290.08 - Step 4: Simplify right side
206,349.56x = 41,854,471,102.36 - Step 5: Solve for x
x = 41,854,471,102.36/206,349.56 - Step 6: Final answer
x = 202,832.86
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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.