Finding the Fourth Proportional to 252,277.20, 348,138.09 and 137,556.75
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Solution
The fourth proportional to 252,277.20, 348,138.09 and 137,556.75 is: 189,825.89
Step by Step Solution
- Step 1: Write the proportion equation
252,277.20 : 348,138.09 = 137,556.75 : x - Step 2: Convert to fraction form
252,277.20/348,138.09 = 137,556.75/x - Step 3: Cross multiply
252,277.20x = 348,138.09 × 137,556.75 - Step 4: Simplify right side
252,277.20x = 47,888,744,211.61 - Step 5: Solve for x
x = 47,888,744,211.61/252,277.20 - Step 6: Final answer
x = 189,825.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.