Finding the Fourth Proportional to 191,472.57, 264,232.04 and 106,609.68
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Solution
The fourth proportional to 191,472.57, 264,232.04 and 106,609.68 is: 147,121.30
Step by Step Solution
- Step 1: Write the proportion equation
191,472.57 : 264,232.04 = 106,609.68 : x - Step 2: Convert to fraction form
191,472.57/264,232.04 = 106,609.68/x - Step 3: Cross multiply
191,472.57x = 264,232.04 × 106,609.68 - Step 4: Simplify right side
191,472.57x = 28,169,692,697.10 - Step 5: Solve for x
x = 28,169,692,697.10/191,472.57 - Step 6: Final answer
x = 147,121.30
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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.