Finding the Fourth Proportional to 201,747.46, 278,412.32 and 115,709.76
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Solution
The fourth proportional to 201,747.46, 278,412.32 and 115,709.76 is: 159,679.95
Step by Step Solution
- Step 1: Write the proportion equation
201,747.46 : 278,412.32 = 115,709.76 : x - Step 2: Convert to fraction form
201,747.46/278,412.32 = 115,709.76/x - Step 3: Cross multiply
201,747.46x = 278,412.32 × 115,709.76 - Step 4: Simplify right side
201,747.46x = 32,215,022,728.24 - Step 5: Solve for x
x = 32,215,022,728.24/201,747.46 - Step 6: Final answer
x = 159,679.95
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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.