Finding the Fourth Proportional to 197,414.93, 272,431.73 and 106,771.00
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Solution
The fourth proportional to 197,414.93, 272,431.73 and 106,771.00 is: 147,343.51
Step by Step Solution
- Step 1: Write the proportion equation
197,414.93 : 272,431.73 = 106,771.00 : x - Step 2: Convert to fraction form
197,414.93/272,431.73 = 106,771.00/x - Step 3: Cross multiply
197,414.93x = 272,431.73 × 106,771.00 - Step 4: Simplify right side
197,414.93x = 29,087,807,829.68 - Step 5: Solve for x
x = 29,087,807,829.68/197,414.93 - Step 6: Final answer
x = 147,343.51
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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.