Finding the Fourth Proportional to 196,453.76, 271,138.80 and 115,901.08
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Solution
The fourth proportional to 196,453.76, 271,138.80 and 115,901.08 is: 159,962.73
Step by Step Solution
- Step 1: Write the proportion equation
196,453.76 : 271,138.80 = 115,901.08 : x - Step 2: Convert to fraction form
196,453.76/271,138.80 = 115,901.08/x - Step 3: Cross multiply
196,453.76x = 271,138.80 × 115,901.08 - Step 4: Simplify right side
196,453.76x = 31,425,279,749.90 - Step 5: Solve for x
x = 31,425,279,749.90/196,453.76 - Step 6: Final answer
x = 159,962.73
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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.