Finding the Fourth Proportional to 334,482.21, 461,608.20 and 189,288.09
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Solution
The fourth proportional to 334,482.21, 461,608.20 and 189,288.09 is: 261,230.44
Step by Step Solution
- Step 1: Write the proportion equation
334,482.21 : 461,608.20 = 189,288.09 : x - Step 2: Convert to fraction form
334,482.21/461,608.20 = 189,288.09/x - Step 3: Cross multiply
334,482.21x = 461,608.20 × 189,288.09 - Step 4: Simplify right side
334,482.21x = 87,376,934,506.34 - Step 5: Solve for x
x = 87,376,934,506.34/334,482.21 - Step 6: Final answer
x = 261,230.44
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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.