Finding the Fourth Proportional to 191,847.40, 264,749.42 and 106,964.48
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Solution
The fourth proportional to 191,847.40, 264,749.42 and 106,964.48 is: 147,610.99
Step by Step Solution
- Step 1: Write the proportion equation
191,847.40 : 264,749.42 = 106,964.48 : x - Step 2: Convert to fraction form
191,847.40/264,749.42 = 106,964.48/x - Step 3: Cross multiply
191,847.40x = 264,749.42 × 106,964.48 - Step 4: Simplify right side
191,847.40x = 28,318,784,040.60 - Step 5: Solve for x
x = 28,318,784,040.60/191,847.40 - Step 6: Final answer
x = 147,610.99
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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.