Finding the Fourth Proportional to 197,227.71, 272,107.76 and 112,284.63
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Solution
The fourth proportional to 197,227.71, 272,107.76 and 112,284.63 is: 154,914.94
Step by Step Solution
- Step 1: Write the proportion equation
197,227.71 : 272,107.76 = 112,284.63 : x - Step 2: Convert to fraction form
197,227.71/272,107.76 = 112,284.63/x - Step 3: Cross multiply
197,227.71x = 272,107.76 × 112,284.63 - Step 4: Simplify right side
197,227.71x = 30,553,518,590.31 - Step 5: Solve for x
x = 30,553,518,590.31/197,227.71 - Step 6: Final answer
x = 154,914.94
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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.