Finding the Fourth Proportional to 365,133.12, 503,883.66 and 203,988.21
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Solution
The fourth proportional to 365,133.12, 503,883.66 and 203,988.21 is: 281,503.70
Step by Step Solution
- Step 1: Write the proportion equation
365,133.12 : 503,883.66 = 203,988.21 : x - Step 2: Convert to fraction form
365,133.12/503,883.66 = 203,988.21/x - Step 3: Cross multiply
365,133.12x = 503,883.66 × 203,988.21 - Step 4: Simplify right side
365,133.12x = 102,786,325,851.65 - Step 5: Solve for x
x = 102,786,325,851.65/365,133.12 - Step 6: Final answer
x = 281,503.70
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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.