Finding the Fourth Proportional to 215,469.75, 323,204.64 and 67,725.75
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Solution
The fourth proportional to 215,469.75, 323,204.64 and 67,725.75 is: 101,588.63
Step by Step Solution
- Step 1: Write the proportion equation
215,469.75 : 323,204.64 = 67,725.75 : x - Step 2: Convert to fraction form
215,469.75/323,204.64 = 67,725.75/x - Step 3: Cross multiply
215,469.75x = 323,204.64 × 67,725.75 - Step 4: Simplify right side
215,469.75x = 21,889,276,647.48 - Step 5: Solve for x
x = 21,889,276,647.48/215,469.75 - Step 6: Final answer
x = 101,588.63
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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.