Finding the Fourth Proportional to 331,708.81, 457,396.41 and 224,091.99
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Solution
The fourth proportional to 331,708.81, 457,396.41 and 224,091.99 is: 309,002.55
Step by Step Solution
- Step 1: Write the proportion equation
331,708.81 : 457,396.41 = 224,091.99 : x - Step 2: Convert to fraction form
331,708.81/457,396.41 = 224,091.99/x - Step 3: Cross multiply
331,708.81x = 457,396.41 × 224,091.99 - Step 4: Simplify right side
331,708.81x = 102,498,869,448.77 - Step 5: Solve for x
x = 102,498,869,448.77/331,708.81 - Step 6: Final answer
x = 309,002.55
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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.