Finding the Fourth Proportional to 313,624.08, 471,369.26 and 147,528.72
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Solution
The fourth proportional to 313,624.08, 471,369.26 and 147,528.72 is: 221,732.03
Step by Step Solution
- Step 1: Write the proportion equation
313,624.08 : 471,369.26 = 147,528.72 : x - Step 2: Convert to fraction form
313,624.08/471,369.26 = 147,528.72/x - Step 3: Cross multiply
313,624.08x = 471,369.26 × 147,528.72 - Step 4: Simplify right side
313,624.08x = 69,540,503,575.15 - Step 5: Solve for x
x = 69,540,503,575.15/313,624.08 - Step 6: Final answer
x = 221,732.03
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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.