Finding the Fourth Proportional to 197,694.95, 272,819.18 and 107,051.63
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Solution
The fourth proportional to 197,694.95, 272,819.18 and 107,051.63 is: 147,731.33
Step by Step Solution
- Step 1: Write the proportion equation
197,694.95 : 272,819.18 = 107,051.63 : x - Step 2: Convert to fraction form
197,694.95/272,819.18 = 107,051.63/x - Step 3: Cross multiply
197,694.95x = 272,819.18 × 107,051.63 - Step 4: Simplify right side
197,694.95x = 29,205,737,379.01 - Step 5: Solve for x
x = 29,205,737,379.01/197,694.95 - Step 6: Final answer
x = 147,731.33
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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.