Finding the Fourth Proportional to 324,010.10, 486,015.15 and 229,531.70
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Solution
The fourth proportional to 324,010.10, 486,015.15 and 229,531.70 is: 344,297.55
Step by Step Solution
- Step 1: Write the proportion equation
324,010.10 : 486,015.15 = 229,531.70 : x - Step 2: Convert to fraction form
324,010.10/486,015.15 = 229,531.70/x - Step 3: Cross multiply
324,010.10x = 486,015.15 × 229,531.70 - Step 4: Simplify right side
324,010.10x = 111,555,883,605.26 - Step 5: Solve for x
x = 111,555,883,605.26/324,010.10 - Step 6: Final answer
x = 344,297.55
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1.5x scale
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.