Finding the Fourth Proportional to 197,591.52, 272,737.62 and 112,765.08
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Solution
The fourth proportional to 197,591.52, 272,737.62 and 112,765.08 is: 155,650.81
Step by Step Solution
- Step 1: Write the proportion equation
197,591.52 : 272,737.62 = 112,765.08 : x - Step 2: Convert to fraction form
197,591.52/272,737.62 = 112,765.08/x - Step 3: Cross multiply
197,591.52x = 272,737.62 × 112,765.08 - Step 4: Simplify right side
197,591.52x = 30,755,279,538.31 - Step 5: Solve for x
x = 30,755,279,538.31/197,591.52 - Step 6: Final answer
x = 155,650.81
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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.