Finding the Fourth Proportional to 313,450.22, 432,549.32 and 170,207.12
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Solution
The fourth proportional to 313,450.22, 432,549.32 and 170,207.12 is: 234,879.32
Step by Step Solution
- Step 1: Write the proportion equation
313,450.22 : 432,549.32 = 170,207.12 : x - Step 2: Convert to fraction form
313,450.22/432,549.32 = 170,207.12/x - Step 3: Cross multiply
313,450.22x = 432,549.32 × 170,207.12 - Step 4: Simplify right side
313,450.22x = 73,622,974,015.16 - Step 5: Solve for x
x = 73,622,974,015.16/313,450.22 - Step 6: Final answer
x = 234,879.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.