Finding the Fourth Proportional to 197,639.41, 272,743.26 and 106,995.38
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Solution
The fourth proportional to 197,639.41, 272,743.26 and 106,995.38 is: 147,654.09
Step by Step Solution
- Step 1: Write the proportion equation
197,639.41 : 272,743.26 = 106,995.38 : x - Step 2: Convert to fraction form
197,639.41/272,743.26 = 106,995.38/x - Step 3: Cross multiply
197,639.41x = 272,743.26 × 106,995.38 - Step 4: Simplify right side
197,639.41x = 29,182,266,847.45 - Step 5: Solve for x
x = 29,182,266,847.45/197,639.41 - Step 6: Final answer
x = 147,654.09
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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.