Finding the Fourth Proportional to 189,473.63, 261,464.43 and 107,794.19
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Solution
The fourth proportional to 189,473.63, 261,464.43 and 107,794.19 is: 148,750.76
Step by Step Solution
- Step 1: Write the proportion equation
189,473.63 : 261,464.43 = 107,794.19 : x - Step 2: Convert to fraction form
189,473.63/261,464.43 = 107,794.19/x - Step 3: Cross multiply
189,473.63x = 261,464.43 × 107,794.19 - Step 4: Simplify right side
189,473.63x = 28,184,347,099.32 - Step 5: Solve for x
x = 28,184,347,099.32/189,473.63 - Step 6: Final answer
x = 148,750.76
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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.