Finding the Fourth Proportional to 191,640.44, 264,495.30 and 106,784.84
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Solution
The fourth proportional to 191,640.44, 264,495.30 and 106,784.84 is: 147,380.63
Step by Step Solution
- Step 1: Write the proportion equation
191,640.44 : 264,495.30 = 106,784.84 : x - Step 2: Convert to fraction form
191,640.44/264,495.30 = 106,784.84/x - Step 3: Cross multiply
191,640.44x = 264,495.30 × 106,784.84 - Step 4: Simplify right side
191,640.44x = 28,244,088,291.25 - Step 5: Solve for x
x = 28,244,088,291.25/191,640.44 - Step 6: Final answer
x = 147,380.63
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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.