Finding the Fourth Proportional to 267,705.36, 400,945.14 and 134,623.44
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Solution
The fourth proportional to 267,705.36, 400,945.14 and 134,623.44 is: 201,626.95
Step by Step Solution
- Step 1: Write the proportion equation
267,705.36 : 400,945.14 = 134,623.44 : x - Step 2: Convert to fraction form
267,705.36/400,945.14 = 134,623.44/x - Step 3: Cross multiply
267,705.36x = 400,945.14 × 134,623.44 - Step 4: Simplify right side
267,705.36x = 53,976,613,998.08 - Step 5: Solve for x
x = 53,976,613,998.08/267,705.36 - Step 6: Final answer
x = 201,626.95
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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.