Finding the Fourth Proportional to 324,093.12, 447,219.36 and 203,195.76
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Solution
The fourth proportional to 324,093.12, 447,219.36 and 203,195.76 is: 280,391.88
Step by Step Solution
- Step 1: Write the proportion equation
324,093.12 : 447,219.36 = 203,195.76 : x - Step 2: Convert to fraction form
324,093.12/447,219.36 = 203,195.76/x - Step 3: Cross multiply
324,093.12x = 447,219.36 × 203,195.76 - Step 4: Simplify right side
324,093.12x = 90,873,077,741.91 - Step 5: Solve for x
x = 90,873,077,741.91/324,093.12 - Step 6: Final answer
x = 280,391.88
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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.