Finding the Fourth Proportional to 197,581.44, 272,660.28 and 106,935.52
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Solution
The fourth proportional to 197,581.44, 272,660.28 and 106,935.52 is: 147,569.88
Step by Step Solution
- Step 1: Write the proportion equation
197,581.44 : 272,660.28 = 106,935.52 : x - Step 2: Convert to fraction form
197,581.44/272,660.28 = 106,935.52/x - Step 3: Cross multiply
197,581.44x = 272,660.28 × 106,935.52 - Step 4: Simplify right side
197,581.44x = 29,157,068,825.15 - Step 5: Solve for x
x = 29,157,068,825.15/197,581.44 - Step 6: Final answer
x = 147,569.88
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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.