Finding the Fourth Proportional to 197,470.08, 272,535.12 and 116,891.28
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Solution
The fourth proportional to 197,470.08, 272,535.12 and 116,891.28 is: 161,325.60
Step by Step Solution
- Step 1: Write the proportion equation
197,470.08 : 272,535.12 = 116,891.28 : x - Step 2: Convert to fraction form
197,470.08/272,535.12 = 116,891.28/x - Step 3: Cross multiply
197,470.08x = 272,535.12 × 116,891.28 - Step 4: Simplify right side
197,470.08x = 31,856,979,021.75 - Step 5: Solve for x
x = 31,856,979,021.75/197,470.08 - Step 6: Final answer
x = 161,325.60
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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.