Finding the Fourth Proportional to 313,612.08, 471,351.24 and 147,516.72
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Solution
The fourth proportional to 313,612.08, 471,351.24 and 147,516.72 is: 221,714.00
Step by Step Solution
- Step 1: Write the proportion equation
313,612.08 : 471,351.24 = 147,516.72 : x - Step 2: Convert to fraction form
313,612.08/471,351.24 = 147,516.72/x - Step 3: Cross multiply
313,612.08x = 471,351.24 × 147,516.72 - Step 4: Simplify right side
313,612.08x = 69,532,188,892.73 - Step 5: Solve for x
x = 69,532,188,892.73/313,612.08 - Step 6: Final answer
x = 221,714.00
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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.