Finding the Fourth Proportional to 491,814.80, 737,821.62 and 207,506.05
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Solution
The fourth proportional to 491,814.80, 737,821.62 and 207,506.05 is: 311,301.03
Step by Step Solution
- Step 1: Write the proportion equation
491,814.80 : 737,821.62 = 207,506.05 : x - Step 2: Convert to fraction form
491,814.80/737,821.62 = 207,506.05/x - Step 3: Cross multiply
491,814.80x = 737,821.62 × 207,506.05 - Step 4: Simplify right side
491,814.80x = 153,102,452,568.30 - Step 5: Solve for x
x = 153,102,452,568.30/491,814.80 - Step 6: Final answer
x = 311,301.03
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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.