Finding the Fourth Proportional to 664,027.80, 995,912.10 and 220,795.80
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Solution
The fourth proportional to 664,027.80, 995,912.10 and 220,795.80 is: 331,150.61
Step by Step Solution
- Step 1: Write the proportion equation
664,027.80 : 995,912.10 = 220,795.80 : x - Step 2: Convert to fraction form
664,027.80/995,912.10 = 220,795.80/x - Step 3: Cross multiply
664,027.80x = 995,912.10 × 220,795.80 - Step 4: Simplify right side
664,027.80x = 219,893,208,849.18 - Step 5: Solve for x
x = 219,893,208,849.18/664,027.80 - Step 6: Final answer
x = 331,150.61
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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.