Finding the Fourth Proportional to 674,716.38, 1,012,106.97 and 201,438.78
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Solution
The fourth proportional to 674,716.38, 1,012,106.97 and 201,438.78 is: 302,167.84
Step by Step Solution
- Step 1: Write the proportion equation
674,716.38 : 1,012,106.97 = 201,438.78 : x - Step 2: Convert to fraction form
674,716.38/1,012,106.97 = 201,438.78/x - Step 3: Cross multiply
674,716.38x = 1,012,106.97 × 201,438.78 - Step 4: Simplify right side
674,716.38x = 203,877,593,266.30 - Step 5: Solve for x
x = 203,877,593,266.30/674,716.38 - Step 6: Final answer
x = 302,167.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.