Finding the Fourth Proportional to 342,405.12, 512,858.70 and 173,634.60
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Solution
The fourth proportional to 342,405.12, 512,858.70 and 173,634.60 is: 260,072.09
Step by Step Solution
- Step 1: Write the proportion equation
342,405.12 : 512,858.70 = 173,634.60 : x - Step 2: Convert to fraction form
342,405.12/512,858.70 = 173,634.60/x - Step 3: Cross multiply
342,405.12x = 512,858.70 × 173,634.60 - Step 4: Simplify right side
342,405.12x = 89,050,015,231.02 - Step 5: Solve for x
x = 89,050,015,231.02/342,405.12 - Step 6: Final answer
x = 260,072.09
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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.