Finding the Fourth Proportional to 342,544.43, 513,151.99 and 252,423.65
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Solution
The fourth proportional to 342,544.43, 513,151.99 and 252,423.65 is: 378,145.69
Step by Step Solution
- Step 1: Write the proportion equation
342,544.43 : 513,151.99 = 252,423.65 : x - Step 2: Convert to fraction form
342,544.43/513,151.99 = 252,423.65/x - Step 3: Cross multiply
342,544.43x = 513,151.99 × 252,423.65 - Step 4: Simplify right side
342,544.43x = 129,531,698,320.56 - Step 5: Solve for x
x = 129,531,698,320.56/342,544.43 - Step 6: Final answer
x = 378,145.69
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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.