Finding the Fourth Proportional to 198,592.92, 274,027.68 and 117,990.62
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Solution
The fourth proportional to 198,592.92, 274,027.68 and 117,990.62 is: 162,808.91
Step by Step Solution
- Step 1: Write the proportion equation
198,592.92 : 274,027.68 = 117,990.62 : x - Step 2: Convert to fraction form
198,592.92/274,027.68 = 117,990.62/x - Step 3: Cross multiply
198,592.92x = 274,027.68 × 117,990.62 - Step 4: Simplify right side
198,592.92x = 32,332,695,860.36 - Step 5: Solve for x
x = 32,332,695,860.36/198,592.92 - Step 6: Final answer
x = 162,808.91
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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.