Finding the Fourth Proportional to 350,441.65, 483,609.67 and 189,296.70
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Solution
The fourth proportional to 350,441.65, 483,609.67 and 189,296.70 is: 261,229.55
Step by Step Solution
- Step 1: Write the proportion equation
350,441.65 : 483,609.67 = 189,296.70 : x - Step 2: Convert to fraction form
350,441.65/483,609.67 = 189,296.70/x - Step 3: Cross multiply
350,441.65x = 483,609.67 × 189,296.70 - Step 4: Simplify right side
350,441.65x = 91,545,714,619.09 - Step 5: Solve for x
x = 91,545,714,619.09/350,441.65 - Step 6: Final answer
x = 261,229.55
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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.