Finding the Fourth Proportional to 207,029.80, 310,544.70 and 194,782.60
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Solution
The fourth proportional to 207,029.80, 310,544.70 and 194,782.60 is: 292,173.90
Step by Step Solution
- Step 1: Write the proportion equation
207,029.80 : 310,544.70 = 194,782.60 : x - Step 2: Convert to fraction form
207,029.80/310,544.70 = 194,782.60/x - Step 3: Cross multiply
207,029.80x = 310,544.70 × 194,782.60 - Step 4: Simplify right side
207,029.80x = 60,488,704,082.22 - Step 5: Solve for x
x = 60,488,704,082.22/207,029.80 - Step 6: Final answer
x = 292,173.90
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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.