Finding the Fourth Proportional to 347,198.40, 479,405.57 and 266,498.10
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Solution
The fourth proportional to 347,198.40, 479,405.57 and 266,498.10 is: 367,975.99
Step by Step Solution
- Step 1: Write the proportion equation
347,198.40 : 479,405.57 = 266,498.10 : x - Step 2: Convert to fraction form
347,198.40/479,405.57 = 266,498.10/x - Step 3: Cross multiply
347,198.40x = 479,405.57 × 266,498.10 - Step 4: Simplify right side
347,198.40x = 127,760,673,534.42 - Step 5: Solve for x
x = 127,760,673,534.42/347,198.40 - Step 6: Final answer
x = 367,975.99
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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.