Finding the Fourth Proportional to 201,749.10, 302,842.35 and 126,953.70
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Solution
The fourth proportional to 201,749.10, 302,842.35 and 126,953.70 is: 190,568.17
Step by Step Solution
- Step 1: Write the proportion equation
201,749.10 : 302,842.35 = 126,953.70 : x - Step 2: Convert to fraction form
201,749.10/302,842.35 = 126,953.70/x - Step 3: Cross multiply
201,749.10x = 302,842.35 × 126,953.70 - Step 4: Simplify right side
201,749.10x = 38,446,956,849.20 - Step 5: Solve for x
x = 38,446,956,849.20/201,749.10 - Step 6: Final answer
x = 190,568.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.