Finding the Fourth Proportional to 276,433.56, 414,403.49 and 107,914.68
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Solution
The fourth proportional to 276,433.56, 414,403.49 and 107,914.68 is: 161,775.66
Step by Step Solution
- Step 1: Write the proportion equation
276,433.56 : 414,403.49 = 107,914.68 : x - Step 2: Convert to fraction form
276,433.56/414,403.49 = 107,914.68/x - Step 3: Cross multiply
276,433.56x = 414,403.49 × 107,914.68 - Step 4: Simplify right side
276,433.56x = 44,720,220,284.02 - Step 5: Solve for x
x = 44,720,220,284.02/276,433.56 - Step 6: Final answer
x = 161,775.66
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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.