Finding the Fourth Proportional to 190,468.44, 262,848.84 and 109,912.68
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Solution
The fourth proportional to 190,468.44, 262,848.84 and 109,912.68 is: 151,680.88
Step by Step Solution
- Step 1: Write the proportion equation
190,468.44 : 262,848.84 = 109,912.68 : x - Step 2: Convert to fraction form
190,468.44/262,848.84 = 109,912.68/x - Step 3: Cross multiply
190,468.44x = 262,848.84 × 109,912.68 - Step 4: Simplify right side
190,468.44x = 28,890,420,439.29 - Step 5: Solve for x
x = 28,890,420,439.29/190,468.44 - Step 6: Final answer
x = 151,680.88
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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.