Finding the Fourth Proportional to 371,456.88, 512,596.56 and 201,687.36
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Solution
The fourth proportional to 371,456.88, 512,596.56 and 201,687.36 is: 278,320.99
Step by Step Solution
- Step 1: Write the proportion equation
371,456.88 : 512,596.56 = 201,687.36 : x - Step 2: Convert to fraction form
371,456.88/512,596.56 = 201,687.36/x - Step 3: Cross multiply
371,456.88x = 512,596.56 × 201,687.36 - Step 4: Simplify right side
371,456.88x = 103,384,246,931.48 - Step 5: Solve for x
x = 103,384,246,931.48/371,456.88 - Step 6: Final answer
x = 278,320.99
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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.