Finding the Fourth Proportional to 141,555.09, 212,361.80 and 58,449.09
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Solution
The fourth proportional to 141,555.09, 212,361.80 and 58,449.09 is: 87,685.68
Step by Step Solution
- Step 1: Write the proportion equation
141,555.09 : 212,361.80 = 58,449.09 : x - Step 2: Convert to fraction form
141,555.09/212,361.80 = 58,449.09/x - Step 3: Cross multiply
141,555.09x = 212,361.80 × 58,449.09 - Step 4: Simplify right side
141,555.09x = 12,412,354,793.65 - Step 5: Solve for x
x = 12,412,354,793.65/141,555.09 - Step 6: Final answer
x = 87,685.68
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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.