Finding the Fourth Proportional to 155,364.28, 232,850.82 and 66,512.68
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Solution
The fourth proportional to 155,364.28, 232,850.82 and 66,512.68 is: 99,685.28
Step by Step Solution
- Step 1: Write the proportion equation
155,364.28 : 232,850.82 = 66,512.68 : x - Step 2: Convert to fraction form
155,364.28/232,850.82 = 66,512.68/x - Step 3: Cross multiply
155,364.28x = 232,850.82 × 66,512.68 - Step 4: Simplify right side
155,364.28x = 15,487,532,078.40 - Step 5: Solve for x
x = 15,487,532,078.40/155,364.28 - Step 6: Final answer
x = 99,685.28
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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.