Finding the Fourth Proportional to 231,903.72, 347,922 and 113,609.70
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Solution
The fourth proportional to 231,903.72, 347,922 and 113,609.70 is: 170,447.09
Step by Step Solution
- Step 1: Write the proportion equation
231,903.72 : 347,922 = 113,609.70 : x - Step 2: Convert to fraction form
231,903.72/347,922 = 113,609.70/x - Step 3: Cross multiply
231,903.72x = 347,922 × 113,609.70 - Step 4: Simplify right side
231,903.72x = 39,527,314,043.40 - Step 5: Solve for x
x = 39,527,314,043.40/231,903.72 - Step 6: Final answer
x = 170,447.09
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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.