Finding the Fourth Proportional to 213,400.62, 320,433.84 and 203,935.77
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Solution
The fourth proportional to 213,400.62, 320,433.84 and 203,935.77 is: 306,221.80
Step by Step Solution
- Step 1: Write the proportion equation
213,400.62 : 320,433.84 = 203,935.77 : x - Step 2: Convert to fraction form
213,400.62/320,433.84 = 203,935.77/x - Step 3: Cross multiply
213,400.62x = 320,433.84 × 203,935.77 - Step 4: Simplify right side
213,400.62x = 65,347,921,894.46 - Step 5: Solve for x
x = 65,347,921,894.46/213,400.62 - Step 6: Final answer
x = 306,221.80
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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.