Finding the Fourth Proportional to 207,322.41, 310,958.94 and 121,984.31
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Solution
The fourth proportional to 207,322.41, 310,958.94 and 121,984.31 is: 182,961.94
Step by Step Solution
- Step 1: Write the proportion equation
207,322.41 : 310,958.94 = 121,984.31 : x - Step 2: Convert to fraction form
207,322.41/310,958.94 = 121,984.31/x - Step 3: Cross multiply
207,322.41x = 310,958.94 × 121,984.31 - Step 4: Simplify right side
207,322.41x = 37,932,110,179.44 - Step 5: Solve for x
x = 37,932,110,179.44/207,322.41 - Step 6: Final answer
x = 182,961.94
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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.