Finding the Fourth Proportional to 232,007.20, 347,319.60 and 138,464.80
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Solution
The fourth proportional to 232,007.20, 347,319.60 and 138,464.80 is: 207,284.68
Step by Step Solution
- Step 1: Write the proportion equation
232,007.20 : 347,319.60 = 138,464.80 : x - Step 2: Convert to fraction form
232,007.20/347,319.60 = 138,464.80/x - Step 3: Cross multiply
232,007.20x = 347,319.60 × 138,464.80 - Step 4: Simplify right side
232,007.20x = 48,091,538,950.08 - Step 5: Solve for x
x = 48,091,538,950.08/232,007.20 - Step 6: Final answer
x = 207,284.68
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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.