Finding the Fourth Proportional to 276,433.28, 414,486.30 and 107,756.70
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Solution
The fourth proportional to 276,433.28, 414,486.30 and 107,756.70 is: 161,571.27
Step by Step Solution
- Step 1: Write the proportion equation
276,433.28 : 414,486.30 = 107,756.70 : x - Step 2: Convert to fraction form
276,433.28/414,486.30 = 107,756.70/x - Step 3: Cross multiply
276,433.28x = 414,486.30 × 107,756.70 - Step 4: Simplify right side
276,433.28x = 44,663,675,883.21 - Step 5: Solve for x
x = 44,663,675,883.21/276,433.28 - Step 6: Final answer
x = 161,571.27
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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.