Finding the Fourth Proportional to 199,670.76, 275,556.87 and 109,035.18
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Solution
The fourth proportional to 199,670.76, 275,556.87 and 109,035.18 is: 150,474.68
Step by Step Solution
- Step 1: Write the proportion equation
199,670.76 : 275,556.87 = 109,035.18 : x - Step 2: Convert to fraction form
199,670.76/275,556.87 = 109,035.18/x - Step 3: Cross multiply
199,670.76x = 275,556.87 × 109,035.18 - Step 4: Simplify right side
199,670.76x = 30,045,392,920.69 - Step 5: Solve for x
x = 30,045,392,920.69/199,670.76 - Step 6: Final answer
x = 150,474.68
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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.