Finding the Fourth Proportional to 324,375.40, 486,368.70 and 166,911.40
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Solution
The fourth proportional to 324,375.40, 486,368.70 and 166,911.40 is: 250,267.07
Step by Step Solution
- Step 1: Write the proportion equation
324,375.40 : 486,368.70 = 166,911.40 : x - Step 2: Convert to fraction form
324,375.40/486,368.70 = 166,911.40/x - Step 3: Cross multiply
324,375.40x = 486,368.70 × 166,911.40 - Step 4: Simplify right side
324,375.40x = 81,180,480,633.18 - Step 5: Solve for x
x = 81,180,480,633.18/324,375.40 - Step 6: Final answer
x = 250,267.07
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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.