Finding the Fourth Proportional to 318,520.24, 439,576.08 and 182,576.80
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Solution
The fourth proportional to 318,520.24, 439,576.08 and 182,576.80 is: 251,966.39
Step by Step Solution
- Step 1: Write the proportion equation
318,520.24 : 439,576.08 = 182,576.80 : x - Step 2: Convert to fraction form
318,520.24/439,576.08 = 182,576.80/x - Step 3: Cross multiply
318,520.24x = 439,576.08 × 182,576.80 - Step 4: Simplify right side
318,520.24x = 80,256,394,042.94 - Step 5: Solve for x
x = 80,256,394,042.94/318,520.24 - Step 6: Final answer
x = 251,966.39
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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.