Finding the Fourth Proportional to 197,659.24, 272,895.42 and 129,796.63
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Solution
The fourth proportional to 197,659.24, 272,895.42 and 129,796.63 is: 179,201.87
Step by Step Solution
- Step 1: Write the proportion equation
197,659.24 : 272,895.42 = 129,796.63 : x - Step 2: Convert to fraction form
197,659.24/272,895.42 = 129,796.63/x - Step 3: Cross multiply
197,659.24x = 272,895.42 × 129,796.63 - Step 4: Simplify right side
197,659.24x = 35,420,905,858.43 - Step 5: Solve for x
x = 35,420,905,858.43/197,659.24 - Step 6: Final answer
x = 179,201.87
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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.