Finding the Fourth Proportional to 237,919.05, 328,156.16 and 202,052.25
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Solution
The fourth proportional to 237,919.05, 328,156.16 and 202,052.25 is: 278,685.92
Step by Step Solution
- Step 1: Write the proportion equation
237,919.05 : 328,156.16 = 202,052.25 : x - Step 2: Convert to fraction form
237,919.05/328,156.16 = 202,052.25/x - Step 3: Cross multiply
237,919.05x = 328,156.16 × 202,052.25 - Step 4: Simplify right side
237,919.05x = 66,304,689,469.10 - Step 5: Solve for x
x = 66,304,689,469.10/237,919.05 - Step 6: Final answer
x = 278,685.92
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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.