Finding the Fourth Proportional to 194,464.11, 268,382.16 and 122,840.67
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Solution
The fourth proportional to 194,464.11, 268,382.16 and 122,840.67 is: 169,533.82
Step by Step Solution
- Step 1: Write the proportion equation
194,464.11 : 268,382.16 = 122,840.67 : x - Step 2: Convert to fraction form
194,464.11/268,382.16 = 122,840.67/x - Step 3: Cross multiply
194,464.11x = 268,382.16 × 122,840.67 - Step 4: Simplify right side
194,464.11x = 32,968,244,350.45 - Step 5: Solve for x
x = 32,968,244,350.45/194,464.11 - Step 6: Final answer
x = 169,533.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.