Finding the Fourth Proportional to 197,218.64, 272,146.56 and 116,639.84
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Solution
The fourth proportional to 197,218.64, 272,146.56 and 116,639.84 is: 160,954.01
Step by Step Solution
- Step 1: Write the proportion equation
197,218.64 : 272,146.56 = 116,639.84 : x - Step 2: Convert to fraction form
197,218.64/272,146.56 = 116,639.84/x - Step 3: Cross multiply
197,218.64x = 272,146.56 × 116,639.84 - Step 4: Simplify right side
197,218.64x = 31,743,131,214.95 - Step 5: Solve for x
x = 31,743,131,214.95/197,218.64 - Step 6: Final answer
x = 160,954.01
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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.