Finding the Fourth Proportional to 331,715.81, 457,406.07 and 224,098.99
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Solution
The fourth proportional to 331,715.81, 457,406.07 and 224,098.99 is: 309,012.22
Step by Step Solution
- Step 1: Write the proportion equation
331,715.81 : 457,406.07 = 224,098.99 : x - Step 2: Convert to fraction form
331,715.81/457,406.07 = 224,098.99/x - Step 3: Cross multiply
331,715.81x = 457,406.07 × 224,098.99 - Step 4: Simplify right side
331,715.81x = 102,504,238,306.87 - Step 5: Solve for x
x = 102,504,238,306.87/331,715.81 - Step 6: Final answer
x = 309,012.22
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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.