Finding the Fourth Proportional to 154,390.55, 231,553.35 and 43,556.63
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Solution
The fourth proportional to 154,390.55, 231,553.35 and 43,556.63 is: 65,325.78
Step by Step Solution
- Step 1: Write the proportion equation
154,390.55 : 231,553.35 = 43,556.63 : x - Step 2: Convert to fraction form
154,390.55/231,553.35 = 43,556.63/x - Step 3: Cross multiply
154,390.55x = 231,553.35 × 43,556.63 - Step 4: Simplify right side
154,390.55x = 10,085,682,433.44 - Step 5: Solve for x
x = 10,085,682,433.44/154,390.55 - Step 6: Final answer
x = 65,325.78
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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.