Finding the Fourth Proportional to 196,495.30, 271,163.60 and 115,922.98
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Solution
The fourth proportional to 196,495.30, 271,163.60 and 115,922.98 is: 159,973.76
Step by Step Solution
- Step 1: Write the proportion equation
196,495.30 : 271,163.60 = 115,922.98 : x - Step 2: Convert to fraction form
196,495.30/271,163.60 = 115,922.98/x - Step 3: Cross multiply
196,495.30x = 271,163.60 × 115,922.98 - Step 4: Simplify right side
196,495.30x = 31,434,092,579.53 - Step 5: Solve for x
x = 31,434,092,579.53/196,495.30 - Step 6: Final answer
x = 159,973.76
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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.