Finding the Fourth Proportional to 196,454.62, 271,139.88 and 115,901.83
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Solution
The fourth proportional to 196,454.62, 271,139.88 and 115,901.83 is: 159,963.70
Step by Step Solution
- Step 1: Write the proportion equation
196,454.62 : 271,139.88 = 115,901.83 : x - Step 2: Convert to fraction form
196,454.62/271,139.88 = 115,901.83/x - Step 3: Cross multiply
196,454.62x = 271,139.88 × 115,901.83 - Step 4: Simplify right side
196,454.62x = 31,425,608,277.98 - Step 5: Solve for x
x = 31,425,608,277.98/196,454.62 - Step 6: Final answer
x = 159,963.70
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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.