Finding the Fourth Proportional to 429,949.62, 645,183.63 and 149,663.70
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Solution
The fourth proportional to 429,949.62, 645,183.63 and 149,663.70 is: 224,585.78
Step by Step Solution
- Step 1: Write the proportion equation
429,949.62 : 645,183.63 = 149,663.70 : x - Step 2: Convert to fraction form
429,949.62/645,183.63 = 149,663.70/x - Step 3: Cross multiply
429,949.62x = 645,183.63 × 149,663.70 - Step 4: Simplify right side
429,949.62x = 96,560,569,245.23 - Step 5: Solve for x
x = 96,560,569,245.23/429,949.62 - Step 6: Final answer
x = 224,585.78
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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.