Finding the Fourth Proportional to 347,481.41, 480,439.33 and 304,337.19
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Solution
The fourth proportional to 347,481.41, 480,439.33 and 304,337.19 is: 420,786.70
Step by Step Solution
- Step 1: Write the proportion equation
347,481.41 : 480,439.33 = 304,337.19 : x - Step 2: Convert to fraction form
347,481.41/480,439.33 = 304,337.19/x - Step 3: Cross multiply
347,481.41x = 480,439.33 × 304,337.19 - Step 4: Simplify right side
347,481.41x = 146,215,554,896.84 - Step 5: Solve for x
x = 146,215,554,896.84/347,481.41 - Step 6: Final answer
x = 420,786.70
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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.