Finding the Fourth Proportional to 213,462.96, 320,194.44 and 80,373.08
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Solution
The fourth proportional to 213,462.96, 320,194.44 and 80,373.08 is: 120,559.62
Step by Step Solution
- Step 1: Write the proportion equation
213,462.96 : 320,194.44 = 80,373.08 : x - Step 2: Convert to fraction form
213,462.96/320,194.44 = 80,373.08/x - Step 3: Cross multiply
213,462.96x = 320,194.44 × 80,373.08 - Step 4: Simplify right side
213,462.96x = 25,735,013,341.68 - Step 5: Solve for x
x = 25,735,013,341.68/213,462.96 - Step 6: Final answer
x = 120,559.62
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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.