Finding the Fourth Proportional to 324,310.08, 447,622.56 and 190,217.28
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Solution
The fourth proportional to 324,310.08, 447,622.56 and 190,217.28 is: 262,543.63
Step by Step Solution
- Step 1: Write the proportion equation
324,310.08 : 447,622.56 = 190,217.28 : x - Step 2: Convert to fraction form
324,310.08/447,622.56 = 190,217.28/x - Step 3: Cross multiply
324,310.08x = 447,622.56 × 190,217.28 - Step 4: Simplify right side
324,310.08x = 85,145,545,829.84 - Step 5: Solve for x
x = 85,145,545,829.84/324,310.08 - Step 6: Final answer
x = 262,543.63
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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.