Finding the Fourth Proportional to 197,751.97, 272,897.06 and 107,107.71
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Solution
The fourth proportional to 197,751.97, 272,897.06 and 107,107.71 is: 147,808.28
Step by Step Solution
- Step 1: Write the proportion equation
197,751.97 : 272,897.06 = 107,107.71 : x - Step 2: Convert to fraction form
197,751.97/272,897.06 = 107,107.71/x - Step 3: Cross multiply
197,751.97x = 272,897.06 × 107,107.71 - Step 4: Simplify right side
197,751.97x = 29,229,379,162.33 - Step 5: Solve for x
x = 29,229,379,162.33/197,751.97 - Step 6: Final answer
x = 147,808.28
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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.