Finding the Fourth Proportional to 191,507.44, 264,275.58 and 106,622.68
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Solution
The fourth proportional to 191,507.44, 264,275.58 and 106,622.68 is: 147,136.69
Step by Step Solution
- Step 1: Write the proportion equation
191,507.44 : 264,275.58 = 106,622.68 : x - Step 2: Convert to fraction form
191,507.44/264,275.58 = 106,622.68/x - Step 3: Cross multiply
191,507.44x = 264,275.58 × 106,622.68 - Step 4: Simplify right side
191,507.44x = 28,177,770,598.15 - Step 5: Solve for x
x = 28,177,770,598.15/191,507.44 - Step 6: Final answer
x = 147,136.69
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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.