Finding the Fourth Proportional to 314,475.11, 471,716.74 and 89,842.87
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Solution
The fourth proportional to 314,475.11, 471,716.74 and 89,842.87 is: 134,765.46
Step by Step Solution
- Step 1: Write the proportion equation
314,475.11 : 471,716.74 = 89,842.87 : x - Step 2: Convert to fraction form
314,475.11/471,716.74 = 89,842.87/x - Step 3: Cross multiply
314,475.11x = 471,716.74 × 89,842.87 - Step 4: Simplify right side
314,475.11x = 42,380,383,390.06 - Step 5: Solve for x
x = 42,380,383,390.06/314,475.11 - Step 6: Final answer
x = 134,765.46
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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.