Finding the Fourth Proportional to 231,612.68, 347,366.72 and 117,645.06
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Solution
The fourth proportional to 231,612.68, 347,366.72 and 117,645.06 is: 176,441.03
Step by Step Solution
- Step 1: Write the proportion equation
231,612.68 : 347,366.72 = 117,645.06 : x - Step 2: Convert to fraction form
231,612.68/347,366.72 = 117,645.06/x - Step 3: Cross multiply
231,612.68x = 347,366.72 × 117,645.06 - Step 4: Simplify right side
231,612.68x = 40,865,978,028.18 - Step 5: Solve for x
x = 40,865,978,028.18/231,612.68 - Step 6: Final answer
x = 176,441.03
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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.