Finding the Fourth Proportional to 371,596.28, 512,805.57 and 201,830.36
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Solution
The fourth proportional to 371,596.28, 512,805.57 and 201,830.36 is: 278,527.37
Step by Step Solution
- Step 1: Write the proportion equation
371,596.28 : 512,805.57 = 201,830.36 : x - Step 2: Convert to fraction form
371,596.28/512,805.57 = 201,830.36/x - Step 3: Cross multiply
371,596.28x = 512,805.57 × 201,830.36 - Step 4: Simplify right side
371,596.28x = 103,499,732,803.11 - Step 5: Solve for x
x = 103,499,732,803.11/371,596.28 - Step 6: Final answer
x = 278,527.37
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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.