Finding the Fourth Proportional to 196,537.64, 271,187.94 and 115,959.08
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Solution
The fourth proportional to 196,537.64, 271,187.94 and 115,959.08 is: 160,003.47
Step by Step Solution
- Step 1: Write the proportion equation
196,537.64 : 271,187.94 = 115,959.08 : x - Step 2: Convert to fraction form
196,537.64/271,187.94 = 115,959.08/x - Step 3: Cross multiply
196,537.64x = 271,187.94 × 115,959.08 - Step 4: Simplify right side
196,537.64x = 31,446,704,029.50 - Step 5: Solve for x
x = 31,446,704,029.50/196,537.64 - Step 6: Final answer
x = 160,003.47
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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.