Finding the Fourth Proportional to 371,239.20, 512,311.92 and 201,473.52
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Solution
The fourth proportional to 371,239.20, 512,311.92 and 201,473.52 is: 278,034.45
Step by Step Solution
- Step 1: Write the proportion equation
371,239.20 : 512,311.92 = 201,473.52 : x - Step 2: Convert to fraction form
371,239.20/512,311.92 = 201,473.52/x - Step 3: Cross multiply
371,239.20x = 512,311.92 × 201,473.52 - Step 4: Simplify right side
371,239.20x = 103,217,285,860.36 - Step 5: Solve for x
x = 103,217,285,860.36/371,239.20 - Step 6: Final answer
x = 278,034.45
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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.