Finding the Fourth Proportional to 357,812.62, 493,785.24 and 194,469.12
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Solution
The fourth proportional to 357,812.62, 493,785.24 and 194,469.12 is: 268,369.46
Step by Step Solution
- Step 1: Write the proportion equation
357,812.62 : 493,785.24 = 194,469.12 : x - Step 2: Convert to fraction form
357,812.62/493,785.24 = 194,469.12/x - Step 3: Cross multiply
357,812.62x = 493,785.24 × 194,469.12 - Step 4: Simplify right side
357,812.62x = 96,025,981,091.79 - Step 5: Solve for x
x = 96,025,981,091.79/357,812.62 - Step 6: Final answer
x = 268,369.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.